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###Problem: a tank holds x gallons of a saltwater solution that is 20 % salt by volume . one fourth of the water is evaporated , leaving all of the salt . when 5 gallons of water and 10 gallons of salt are added , the resulting mixture is 33 1 / 3 % salt by volume . what is the value of x ?### options: a ) 37.5 , b ) 75 , c ) 100 , d ) 150 , e ) 175

###Problem: two trains of equal lengths take 15 sec and 20 sec respectively to cross a telegraph post . if the length of each train be 120 m , in what time will they cross other travelling in opposite direction ?### options: a ) 16 sec , b ) 12 sec , c ) 17 sec , d ) 21 sec , e ) 23 sec

###Problem: the annual interest rate earned by an investment increased by 10 percent from last year to this year . if the annual interest rate earned by the investment this year was 13 percent , what was the annual interest rate last year ?### options: a ) 1 % , b ) 1.1 % , c ) 9.1 % , d ) 11.81 % , e ) 11.50 %

###Problem: the area of a circle is increased by 300 % . by what percent has the radius of the circle increased ?### options: a ) 400 % , b ) 200 % , c ) 100 % , d ) 600 % , e ) 800 %

###Problem: 562 ã — 99 = ?### options: a ) 55684 , b ) 55432 , c ) 55638 , d ) 44530 , e ) 44538

###Problem: angelina walked 150 meters from her home to the grocery at a constant speed . she then walked 200 meters to the gym at double the speed . she spent 10 seconds less on her way from the grocery to the gym than on her way from home to the grocery . what was angelina ' s speed , in meters per second , from the grocery to the gym ?### options: a ) 2 , b ) 3 , c ) 4 , d ) 10 , e ) 12

###Problem: find the area of the quadrilateral of one of its diagonals is 20 cm and its off sets 5 cm and 4 cm ?### options: a ) 189 cm 2 , b ) 150 cm 2 , c ) 127 cm 2 , d ) 177 cm 2 , e ) 90 cm 2

###Problem: there are 200 female managers in a certain company . find the total number y of female employees in the company , if 2 / 5 of all the employees are managers and 2 / 5 of all male employees are managers .### options: a ) 300 , b ) y = 400 , c ) y = 500 , d ) y = 600 , e ) none of these

###Problem: find large number from below question the difference of two numbers is 2500 . on dividing the larger number by the smaller , we get 6 as quotient and the 15 as remainder### options: a ) 3345 , b ) 1250 , c ) 1540 , d ) 2997 , e ) 1635

###Problem: here is a simple arithmetical puzzle in his own flowery , poetical language . if one - fifth of a hive of bees flew to the badamba flower , one - third flew to the slandbara , 3 times the difference of these two numbers flew to an arbour , and one bee continued to fly about , attracted on each side by the fragrant ketaki and malati , what was the total number of bees ?### options: a ) 11 , b ) 15 , c ) 18 , d ) 17 , e ) 19

###Problem: what is the range of all the roots of | x ^ 2 - 1 | = x ?### options: a ) 4 , b ) 3 , c ) 2 , d ) 1 , e ) 0

###Problem: the radius of a sphere is increased by 50 % . the increase in surface area of the sphere is :### options: a ) 168 , b ) 125 , c ) 186 , d ) 197 , e ) 191

###Problem: a number is said to be prime saturated if the product of all the different positive prime factors of a is less than the square root of a . what is the greatest two digit prime saturated integer ?### options: a ) 99 , b ) 98 , c ) 97 , d ) 96 , e ) 95

###Problem: if x is invested in a bank at a rate of simple interest of y % p . a . for two years , then the interest earned is 900 . if x is invested at y % p . a . , for two years when the interest is compounded annually , the interest is 922.50 . what is the value of x ?### options: a ) 9000 , b ) 6000 , c ) 5000 , d ) 4000 , e ) 3000

###Problem: in a division sum , the remainder is 6 and the divisor is 5 times the quotient and is obtained by adding 17 to the thrice of the remainder . the dividend is### options: a ) 74 , b ) 146 , c ) 86 , d ) 92 , e ) 98

###Problem: the sale price of a trolley bag including the sale tax is rs . 280 . the rate of sale tax is 12 % . if the shopkeeper has made a profit of 25 % , the cost price of the trolley bag is :### options: a ) rs 200 , b ) rs 220 , c ) rs 260 , d ) rs 280 , e ) none of these

###Problem: walking with 4 / 5 of my usual speed , i miss the bus by 3 minutes . what is my usual time ?### options: a ) 16 min , b ) 26 min , c ) 34 min , d ) 20 min , e ) 12 min

###Problem: if c is 20 % of a and 10 % of b , what percent of a is b ?### options: a ) 2.5 % , b ) 15 % , c ) 25 % , d ) 35 % , e ) 200 %

###Problem: a 18 % stock yielding 12 % is quoted at :### options: a ) s . 83.33 , b ) s . 110 , c ) s . 112 , d ) s . 120 , e ) s . 150

###Problem: find the number of zeroes at the end of 50 !### options: a ) 10 , b ) 11 , c ) 12 , d ) 13 , e ) 14

###Problem: at a certain university , 68 % of the professors are women , and 70 % of the professors are tenured . if 90 % of the professors are women , tenured , or both , then what percent of the men are tenured ?### options: a ) 25 , b ) 37.5 , c ) 55 , d ) 62.5 , e ) 75

###Problem: a man can row upstream at 25 kmph and downstream at 65 kmph , and then find the speed of the man in still water ?### options: a ) 45 , b ) 86 , c ) 30 , d ) 78 , e ) 38

###Problem: a furniture dealer purchased a desk for $ 150 and then set the selling price equal to the purchase price plus a markup that was 50 % of the selling price . if the dealer sold the desk at the selling price , what was the amount of the dealer ' s gross profit from the purchase and the sale of the desk ?### options: a ) 60 % , b ) 70 % , c ) 100 % , d ) 90 % , e ) 80 %

###Problem: sally has a gold credit card with a certain spending limit , and a platinum card with twice the spending limit of the gold card . currently , she has a balance on her gold card that is 1 / 3 of the spending limit on that card , and she has a balance on her platinum card that is 1 / 8 of the spending limit on that card . if sally transfers the entire balance on her gold card to her platinum card , what portion of her limit on the platinum card will remain unspent ?### options: a ) 11 / 30 , b ) 29 / 60 , c ) 17 / 24 , d ) 19 / 30 , e ) 11 / 15

###Problem: two numbers are in the ratio 3 : 5 . if 9 be subtracted from each , they are in the ratio of 9 : 17 . the first number is :### options: a ) 36 , b ) 77 , c ) 88 , d ) 55 , e ) 221

###Problem: in a particular state , 70 % of the counties received some rain on monday , and 55 % of the counties received some rain on tuesday . no rain fell either day in 35 % of the counties in the state . what percent of the counties received some rain on monday and tuesday ?### options: a ) 20 % , b ) 40 % , c ) 50 % , d ) 60 % , e ) 70 %

###Problem: the effective annual rate of interest corresponding to a nominal rate of 6 % per annum payable half yearly is### options: a ) 6.06 % , b ) 6.07 % , c ) 6.08 % , d ) 6.09 % , e ) none

###Problem: a 340 - liter solution of kola is made from 80 % water , 6 % concentrated kola and the rest is made from sugar . if 3.2 liters of sugar , 10 liter of water and 6.8 liters of concentrated kola were added to the solution , what percent of the solution is made from sugar ?### options: a ) 6 % . , b ) 7.5 % . , c ) 9.2 % . , d ) 10.5 % . , e ) 14 % .

###Problem: a man ' s regular pay is $ 3 per hour up to 40 hours . overtime is twice the payment for regular time . if he was paid $ 198 , how many hours overtime did he work ?### options: a ) 8 , b ) 5 , c ) 9 , d ) 6 , e ) 13

###Problem: there are 24 stations between ernakulam and chennai . how many second class tickets have to be printed , so that a passenger can travel from one station to any other station ?### options: a ) 800 , b ) 820 , c ) 650 , d ) 870 , e ) 900

###Problem: fox jeans regularly sell for $ 15 a pair and pony jeans regularly sell for $ 18 a pair . during a sale these regular unit prices are discounted at different rates so that a total of $ 8.64 is saved by purchasing 5 pairs of jeans : 3 pairs of fox jeans and 2 pairs of pony jeans . if the sum of the two discount rates is 22 percent , what is the discount rate on pony jeans ?### options: a ) 8 % , b ) 10 % , c ) 11 % , d ) 12 % , e ) 14 %

###Problem: a and b can do a work in 10 days and 15 days respectively . a starts the work and b joins him after 5 days . in how many days can they complete the remaining work ?### options: a ) 6 days , b ) 2 days , c ) 8 days , d ) 4 days , e ) 3 days

###Problem: a bag contains an equal number of one rupee , 50 paise and 25 paise coins respectively . if the total value is 70 , how many coins of each type are there ?### options: a ) 20 coins , b ) 30 coins , c ) 40 coins , d ) 25 coins , e ) none of these

###Problem: the product of two numbers is 120 and the sum of their squares is 289 . the sum of the number is ?### options: a ) 23 , b ) 25 , c ) 27 , d ) 31 , e ) 35

###Problem: one millisecond is 0.001 of a second . the costs for a single run of a computer program are $ 1.07 for operating - system overhead , $ 0.023 per millisecond of computer time , and $ 5.35 for the mounting of a data tape . what is the total of these 3 costs for 1 run of a program that requires 1.5 seconds of computer time ?### options: a ) $ 7.15 , b ) $ 8.87 , c ) $ 28.96 , d ) $ 35.57 , e ) $ 40.92

###Problem: the length of a room is 5.5 m and width is 3.75 m . what is the cost of paying the floor by slabs at the rate of rs . 800 per sq . meter .### options: a ) rs . 12000 , b ) rs . 19500 , c ) rs . 18000 , d ) rs . 16500 , e ) rs . 17500

###Problem: by travelling at 50 kmph , a person reaches his destination on time . he covered two - third the total distance in one - third of the total time . what speed should he maintain for the remaining distance to reach his destination on time ?### options: a ) 23 kmph , b ) 24 kmph , c ) 25 kmph , d ) 26 kmph , e ) 27 kmph

###Problem: 5 men are equal to as many women as are equal to 8 boys . all of them earn rs . 60 only . men â € ™ s wages are ?### options: a ) 6 rs , b ) 2 rs , c ) 4 rs , d ) 9 rs , e ) 3 rs

###Problem: what least value should be replaced by * in 483 * 4312 so the number become divisible by 6### options: a ) 3 , b ) 4 , c ) 5 , d ) 2 , e ) 7

###Problem: line q has the equation 5 y – 3 x = 90 . if line s is perpendicular to q , has an integer for its y - intercept , and intersects q in the second quadrant , then how many possible line s ’ s exist ? ( note : intersections on one of the axes do not count . )### options: a ) 58 , b ) 61 , c ) 64 , d ) 67 , e ) 70

###Problem: the mean daily profit made by a shopkeeper in a month of 30 days was rs . 350 . if the mean profit for the first fifteen days was rs . 275 , then the mean profit for the last 15 days would be### options: a ) rs . 200 , b ) rs . 350 , c ) rs . 275 , d ) rs . 425 , e ) none of these

###Problem: 100 liter solution of cool - drink is made from 10 % jasmine water . if 5 liters of jasmine and 10 liters of water were added to the solution , what percent of the solution is jasmine ?### options: a ) 1 / 13 , b ) 2 / 23 , c ) 3 / 31 , d ) 4 / 15 , e ) 2 / 3

###Problem: in 1990 the budgets for projects q and v were $ 700,000 and $ 780,000 , respectively . in each of the next 10 years , the budget for q was increased by $ 30,000 and the budget for v was decreased by $ 10,000 . in which year was the budget for q equal to the budget for v ?### options: a ) 1992 , b ) 1993 , c ) 1994 , d ) 1995 , e ) 1996

###Problem: a person buys an article at rs . 350 . at what price should he sell the article so as to make a profit of 30 % ?### options: a ) 455 , b ) 277 , c ) 269 , d ) 261 , e ) 281

###Problem: working together , wayne and his son can shovel the entire driveway in three hours . if wayne can shovel four times as fast as his son can , how many hours would it take for his son to shovel the entire driveway on his own ?### options: a ) 4 , b ) 6 , c ) 5 , d ) 9 , e ) 12

###Problem: thomas ' s age and matt ' s age are in the ratio 3 : 5 . two years ago the ratio of their ages was 5 : 9 . find the ratio of their ages 4 years hence ?### options: a ) 1 : 2 , b ) 2 : 3 , c ) 3 : 4 , d ) 4 : 5 , e ) 5 : 6

###Problem: the average of first 11 prime numbers is ?### options: a ) 14.55 , b ) 11.11 , c ) 12.11 , d ) 13.11 , e ) 14.11

###Problem: if the simple interest on a sum of money for 2 years at 5 % per annum is rs . 50 , what is the compound interest on the same at the same rate and for the same time ?### options: a ) rs . 52 , b ) rs . 51.25 , c ) rs . 54.25 , d ) rs . 60 , e ) rs . 70

###Problem: exactly 3 / 8 of the people in the room are under the age of 21 , and exactly 5 / 12 of the people in the room are over the age of 65 . if the total number of the people in the room is greater than 50 and less than 100 , how many people in the room are under the age of 21 ?### options: a ) 21 , b ) 36 , c ) 39 , d ) 60 , e ) 65

###Problem: a student has to obtain 33 % of the total marks to pass . he got 125 marks and failed by 40 marks . the maximum marks are :### options: a ) 500 , b ) 387 , c ) 298 , d ) 267 , e ) 191

###Problem: the ages of patrick and michael are in the ratio of 3 : 5 and that of michael and monica are in the ratio of 3 : 5 . if the sum of their ages is 148 , what is the difference between the ages of patrick and monica ?### options: a ) 27 , b ) 48 , c ) 45 , d ) 72 , e ) 18

###Problem: a train 360 m long is running at a speed of 45 km / hr . in what time will it pass a bridge 340 m long ?### options: a ) 56 sec , b ) 42 sec , c ) 45 sec , d ) 48 sec , e ) 50 sec

###Problem: a motorist travels to a place 150 km away at an average speed of 50 km / hr and returns at 30 km / hr . his average speed for the whole journey in km / hr is ?### options: a ) 37.9 , b ) 37.53 , c ) 37.5 , d ) 37.1 , e ) 37.4

###Problem: 48.95 - 32.006 = ?### options: a ) 16.089 , b ) 16.35 , c ) 16.89 , d ) 16.944 , e ) none of them

###Problem: the average age of 20 persons in a office is 15 years . out of these , the average age of 5 of them is 14 years and that of the other 9 persons is 16 years . the age of the 15 th person is ?### options: a ) 79 , b ) 86 , c ) 95 , d ) 72 , e ) 80

###Problem: a vessel of capacity 2 litre has 30 % of alcohol and another vessel of capacity 6 litre had 40 % alcohol . the total liquid of 8 litre was poured out in a vessel of capacity 10 litre and thus the rest part of the vessel was filled with the water . what is the new concentration of mixture ?### options: a ) 30 % . , b ) 71 % . , c ) 49 % . , d ) 29 % . , e ) 51 % .

###Problem: what is the 4 digit no . in which the 1 st digit is 1 / 3 of the second , the 3 rd is the sum of the 1 st and 2 nd , and the last is 3 times the second ?### options: a ) 1123 , b ) 1234 , c ) 1349 , d ) 1455 , e ) 1567

###Problem: the distance between two cities a and b is 1410 km . a train starts from a at 8 a . m . and travel towards b at 60 km / hr . another train starts from b at 9 a . m and travels towards a at 75 km / hr . at what time do they meet ?### options: a ) 09 pm , b ) 07 pm , c ) 11 pm , d ) 05 am , e ) 03 am

###Problem: a train running at the speed of 30 km / hr crosses a pole in 9 sec . what is the length of the train ?### options: a ) 75 m , b ) 180 m , c ) 324 m , d ) can not be determined , e ) none of these

###Problem: how long does a train 120 m long running at the speed of 70 km / hr takes to cross a bridge 150 m length ?### options: a ) 12.7 sec , b ) 13.9 sec , c ) 18.1 sec , d ) 17.1 sec , e ) 19.7 sec

###Problem: for any integer k greater than 1 , the symbol k * denotes the product of all integers between 1 and k , inclusive . if k * is a multiple of 3,675 , what is the least possible value of k ?### options: a ) 12 , b ) 14 , c ) 15 , d ) 21 , e ) 25

###Problem: if 2 ^ ( 2 w ) = 8 ^ ( w − 6 ) , what is the value of w ?### options: a ) 12 , b ) 15 , c ) 18 , d ) 21 , e ) 24

###Problem: 5 friends visited a fruit stall , and everyone decided to contribute equally to the total bill of $ 100 . if one of the friends had a coupon for 6 % off the total bill , and if each friend still contributed equally after the coupon was applied to the bill , how much did each friend pay ?### options: a ) 18 , b ) 18.8 , c ) 19 , d ) 17.8 , e ) 17.9

###Problem: dan ’ s car gets 32 miles per gallon . if gas costs $ 4 / gallon , then how many miles can dan ’ s car go on $ 46 of gas ?### options: a ) 124 , b ) 256 , c ) 368 , d ) 424 , e ) 512

###Problem: at what price must an book costing $ 47.50 be marked in order that after deducting 5 % from the list price . it may be sold at a profit of 25 % on the cost price ?### options: a ) 72.5 , b ) 55.5 , c ) 62.5 , d ) 82.5 , e ) 60.5

###Problem: a certain bag contains 60 balls — 22 white , 10 green , 7 yellow , 15 red , and 6 purple . if a ball is to be chosen at random , what is the probability that the ball will be neither red nor purple ?### options: a ) 0.09 , b ) 0.65 , c ) 0.54 , d ) 0.85 , e ) 0.91

###Problem: solution for 1.35 + . 123 + . 321### options: a ) 2.91 , b ) 1.794 , c ) 1.338 , d ) 1.986 , e ) 1.999

###Problem: carol and jordan draw rectangles of equal area . if carol ' s rectangle measures 12 inches by 15 inches and jordan ' s rectangle is 9 inches long , how wide is jordan ' s rectangle , in inches ?### options: a ) 17 , b ) 18 , c ) 19 , d ) 20 , e ) 21

###Problem: a , b and c start a business each investing 20000 . after 5 months a withdrew 10000 , b withdrew 15000 and c invests 5000 more . at the end of the year , a total profit of 58000 was recorded . find the share of b .### options: a ) 20,000 , b ) 21,200 , c ) 28,200 , d ) 13,500 , e ) none of these

###Problem: a two digit number is 18 less than the square of the sum of its digits . how many such numbers are there ?### options: a ) 2233 , b ) 2222 , c ) 2211 , d ) 6382 , e ) 23,17

###Problem: a train running at a speed of 36 kmph crosses an electric pole in 12 seconds . in how much time will it cross a 380 m long platform ?### options: a ) 50 , b ) 27 , c ) 29 , d ) 47 , e ) 28

###Problem: a corporation that had $ 10 billion in profits for the year paid out $ 500 million in employee benefits . approximately what percent of the profits were the employee benefits ? ( note : 1 billion = 10 ^ 9 )### options: a ) 50 % , b ) 20 % , c ) 5 % , d ) 2 % , e ) 0.2 %

###Problem: if 24 lines are drawn in a plane such that no two of them are parallel and no three are concurrent , then in how many points do they intersect ?### options: a ) 276 , b ) 350 , c ) 425 , d ) 512 , e ) 648

###Problem: a , b , c and d enter into partnership . a subscribes 1 / 3 of the capital b 1 / 4 , c 1 / 5 and d the rest . how much share did a get in a profit of rs . 2490 ?### options: a ) rs . 832 , b ) rs . 830 , c ) rs . 822 , d ) rs . 812 , e ) rs . 810

###Problem: a car takes 6 hours to cover a distance of 144 km . how much should the speed in kmph be maintained to cover the same direction in 3 / 2 th of the previous time ?### options: a ) 50 kmph , b ) 60 kmph , c ) 65 kmph , d ) 16 kmph , e ) none

###Problem: when jessica withdrew $ 200 from her bank account , her account balance decreased by 2 / 5 . if she deposits an amount equal to 2 / 3 of the remaining balance , what will be the final balance in her bank account ?### options: a ) 300 , b ) 375 , c ) 400 , d ) 500 , e ) 575

###Problem: on a certain date , pat invested $ 6,000 at x percent annual interest , compounded annually . if the total value of the investment plus interest at the end of 10 years will be $ 24,000 , in how many years total will the total value of the investment plus interest increase to $ 48,000 ?### options: a ) 15 , b ) 16 , c ) 18 , d ) 20 , e ) 24

###Problem: a mobile battery in 1 hour charges to 20 percent . how much time ( in minute ) will it require more to charge to 40 percent .### options: a ) 120 , b ) 150 , c ) 175 , d ) 160 , e ) 130

###Problem: a train starts full of passengers at the first station it drops 1 / 3 of the passengers and takes 280 more at the second station it drops one half the new total and takes 12 more . on arriving at the third station it is found to have 242 passengers . find the no of passengers in the beginning ?### options: a ) 292 , b ) 270 , c ) 192 , d ) 144 , e ) 168

###Problem: a specialized type of sand consists of 40 % mineral x by volume and 60 % mineral y by volume . if mineral x weighs 4 grams per cubic centimeter and mineral y weighs 3 grams per cubic centimeter , how many grams does a cubic meter of specialized sand combination weigh ? ( 1 meter = 100 centimeters )### options: ['a ) 5 , 500,000', 'b ) 2 , 400,000', 'c ) 55,000', 'd ) 28,000', 'e ) 280']

###Problem: a retailer bought a coat at wholesale and marked it up 90 % to its initial price of $ 76 . by how many more dollars does he need to increase the price to achieve a 100 % markup ?### options: a ) 2 , b ) 4 , c ) 6 , d ) 8 , e ) 10

###Problem: the hcf of two numbers is 40 and the other two factors of their lcm are 11 and 12 . what is the largest number .### options: a ) 462 , b ) 450 , c ) 488 , d ) 480 , e ) 555

###Problem: in 110 m race , a covers the distance in 36 seconds and b in 45 seconds . in this race a beats b by :### options: a ) 20 m , b ) 25 m , c ) 22 m , d ) 9 m , e ) 12 m

###Problem: three interviewers , a , b , and c are interviewing 50 applicants . only with three interviewers ' admission can an applicant be admitted . if interviewer a admitted 20 applicants , b admitted 22 applicants , and c admitted 20 applicants , at least how many applicants get the admission ?### options: a ) 4 , b ) 0 , c ) 6 , d ) 8 , e ) 12

###Problem: there are 408 boys and 288 girls in a school which are to be divided into equal sections of either boys or girls alone . find the total number of sections thus formed .### options: a ) 31 , b ) 32 , c ) 35 , d ) 30 , e ) 29

###Problem: walking at 6 / 7 th of his usual speed , a man is 25 mins too late . his usual time is### options: a ) 7.5 hrs , b ) 1.5 hrs , c ) 2.5 hrs , d ) 1.67 hrs , e ) 2.67 hrs

###Problem: a train running at the speed of 60 km / hr crosses a pole in 12 sec . what is the length of the train ?### options: a ) 200 m , b ) 178 m , c ) 186 m , d ) 168 m , e ) 150 m

###Problem: julie put half of her savings in a savings account that pays an annual simple interest and half in a savings account that pays an annual compound interest . after two years she earned $ 120 and $ 126 from the simple interest account and the compound interest account respectively . if the interest rates for both accounts were the same , what was the amount of julie ' s initial savings ?### options: a ) 600 , b ) 720 , c ) 1080 , d ) 1200 , e ) 1440

###Problem: a cube with its sides numbered 1 through 6 is rolled twice , first landing on a and then landing on b . if any roll of the cube yields an equal chance of landing on any of the numbers 1 through 6 , what is the probability q that a + b is prime ?### options: a ) 0 , b ) 1 / 12 , c ) 5 / 12 , d ) 7 / 18 , e ) 4 / 9

###Problem: mr . tom invested in fund x and fund y . the total amount she invested , in both funds combined , was $ 100000 . in one year , fund x paid 23 % and fund y paid 17 % . the interest earned in fund y was exactly $ 200 greater than the interest earned in fund x . how much did ms . tom invest in fund x ?### options: a ) $ 32000 , b ) $ 36000 , c ) $ 42000 , d ) $ 44000 , e ) $ 45000

###Problem: on a certain transatlantic crossing , 20 percent of a ship ' s passengers held round - trip tickets and also took their cars abroad the ship . if 40 percent of the passengers with round - trip tickets did not take their cars abroad the ship , what percent of the ship ' s passengers held round - trip tickets ?### options: a ) 33.3 % , b ) 40 % , c ) 50 % , d ) 60 % , e ) 66.6 %

###Problem: two trains of equal lengths take 10 sec and 15 sec respectively to cross a telegraph post . if the length of each train be 200 m , in what time will they cross other travelling in opposite direction ?### options: a ) 17 sec , b ) 12 sec , c ) 16 sec , d ) 15 sec , e ) 20 sec

###Problem: how many diagonals does a polygon with 23 sides have , if one of its vertices does not connect to any diagonal ?### options: a ) 201 , b ) 159 , c ) 179 , d ) 189 , e ) 209

###Problem: a train moves at average speed of 60 kmph reaches its destination on time . what its average speed becomes 50 kmph , then it reaches its destination 15 late . find the length of the journey ?### options: a ) 4.86 km , b ) 2.5 km , c ) 6.86 km , d ) 5.867 km , e ) 3.25 km

###Problem: how many points ( x , y ) lie on the line segment between ( 32 , 12 2 / 3 ) and ( 7 , 17 2 / 3 ) such that x and y are both integers ?### options: a ) one , b ) 4 , c ) 5 , d ) 8 , e ) 9

###Problem: a train passes a station platform in 36 sec and a man standing on the platform in 20 sec . if the speed of the train is 72 km / hr . what is the length of the platform ?### options: a ) 229 , b ) 240 , c ) 288 , d ) 277 , e ) 320

###Problem: the difference between a number and its two - fifth is 510 . what is 50 % of that number ?### options: a ) 426 , b ) 425 , c ) 427 , d ) 428 , e ) 429

###Problem: 15 % of 75 is the same as vx % of 450 . find x .### options: a ) 1 , b ) 2.5 , c ) 3 , d ) 4 , e ) 5

###Problem: marketing executives for a certain chewing gum company projected a 20 percent increase in revenue this year over that of last year , but revenue this year actually decreased by 25 % . what percent of the projected revenue was the actual revenue ?### options: a ) 53 % , b ) 58 % , c ) 62.5 % , d ) 64 % , e ) 75 %

###Problem: 5 / 8 th of a job is completed in 10 days . if a person works at the same pace , how many days will he take to complete the job ?### options: a ) 8 , b ) 9 , c ) 6 , d ) 2 , e ) 1