Aptitude Questions1

1.Find the number of zeroes in the following multiplication. 5 X 10 X 15 X 20 X 25 X 30 X 35 X 40 X 45 X 50 A.5 zeroes B.10 zeroes C.7 zeroes D.8 zeroes Answer : D 2.Find the remainder for [(73 X 79 X 81)/11)] A.5 B.0 C.1 D.NONE Answer: C 3.In a class composed of x girls and y boys what part of the class is composed of girls A.y/(x + y) B.x/xy C.x/(x + y) D.y/xy Anser: C 4.If the operation, ^ is defined by the equation x ^ y = 2x + y, what is the value of a in 2 ^ a = a ^ 3 A.0 B.1 C.-1 D.4 Answer: B 5.There are 200 questions on a 3 hr examination. Among these questions are 50 mathematics problems. It is suggested that twice as much time be spent on each math’s problem as for each other question. How many minutes should be spent on mathematics problems A.36 B.72 C.60 D.100 Answer: B 6. If the value of x lies between 0 & 1 which of the following is the largest? A. x B. x2 C. -x D. 1/x Answer : d 7.The average of 4 numbers 12, 13, 17 and 18 is A.14 B.15 C.13 D.17 Answer: B 8.A man travels at 60kmph on the journey from A to B and returns at 100kmph. Find the average speed for the journey. A.75kmph B.60kmph C.100kmph D.80kmph Answer: A 9.The average of class of 30 students and a teacher reduces by 0.5 years if we exclude the teacher. If the initial average is 14 years, Find the age of the class teacher. A.25years B.28years C.29years D.30years Answer: C 10. The average marks of a group of 20 students on a test is reduced by 4 when topper who scored 90 marks is replaced by a new student. How many marks did the new student have? A.20marks B.25marks C.15marks D.10marks Answer: D 11. A person covers half his journey by train at 60 kmph, half the remainder by bus at 30kmph and the rest by cycle at 10kmph. Find his average speed during the entire journey. A.24kmph B.50kmph C.45kmph D.33.33kmph Answer: A 12. A school has only 3 classes that contain 10, 20 and 30 students respectively. The pass percentages of these classes are 20%, 30% and 40% respectively. Find the pass percentage of the entire school. A.33.33% B.33.99% C.22.33% D.45% Answer: A 13. Two varieties of rice at Rs. 10 per kg and Rs. 12 per kg are mixed together in the ratio 1:2. Find the average price of the resulting mixture. A.11 Rs/kg B.11.33 Rs/kg C.10.99 Rs/kg D.10.33 Rs/kg Answer: B 14. On combining two groups of students having 30 and 40 marks respectively in an exam, the resultant group has an average score of 34. find the ratio of the number of students in the first group to the number of students in the second group. A.3:4 B.4:3 C.2:3 D.3:2 Answer: D 15. The length and breadth of a rectangle are changed by +20% and by -10% respectively. What is the percentage change in the area of the rectangle. A.15% B.10% C.8% D.5% Answer: C 16. Due to a 25% price hike in the price of rice, a person is able to purchase 20kg less of rice of Rs.400. Find the initial price. A.4 Rs/kg B.4.50 Rs/kg C.4.75 Rs/kg D.None Answer: D 17. A shopkeeper sells two items at the same price. If he sells one of them at a profit of 10% and the other at a loss of 10%. Find the percentage profit/loss. A.1% loss B.1% gain C.no loss no gain D.none Answer: A 18. For the above problem, find the value of the loss incurred by the shopkeeper if the price of selling each item is Rs.160. A.loss of Rs. 3.53 B.loss of Rs. 3.73 C.loss of Rs. 4.43 D.loss of Rs. 3.23 Answer: D 19. By selling 15 mangoes, a fruit vendor recovers the cost price of 20 mangoes. Find the profit percentage. A.25% B.66.66% C.33.33% D.none Answer: C 20. Find a single discount to equal three consecutive discounts of 10%, 12% and 5%. A.27% B.73% C.24.56% D.24.76% Answer: D 21. A dishonest shopkeeper uses a 900 gram weight instead of a 1kilogram weight. Find his profit percent if he sells per kilogram at the same price as he buys a kilogram. A.10% B.11% C.10.11% D.11.11% Answer: D 22. Oranges are bought at 12 for a rupee and are sold at 10 for a rupee. Find the percentage profit or loss. A.20% B.16.66% C.5% D.none Answer: A 23. The SI on a sum of money is 25% of the principal, and the rate per annum is equal to the number of years. Find the rate percent. A. 4.5% B. 6% C. 5% D. 8% Answer: C 24. A sum of money doubles itself in 12 years. Find the rate percentage per annum. A. 12.5 % B. 8.33% C. 10% D. 7.51% Answer: B 25. A certain sum of money triples itself in 8 years. In how many years it will be five times A. 22 years B. 16 years C. 20 years D. 24 years Answer: B 26. The population of Jhumri Tilaiya increases by 10% in the first year, it increases by 20% in the second year and due to mass exodus, it decreases by 5% in the third year. What will be its population after 3 years, if today it is 200,000? A. 11,540 B. 31,860 C.12,860 D. 12.540 Answer: D 27. In a class composed of x girls and y boys what part of the class is composed of girls A.y/(x + y) B.x/xy C.x/(x + y) D.y/xy Ans.C 28.What is the maximum number of half-pint bottles of cream that can be filled with a 4-gallon can of cream (2 pt.=1 qt. and 4 qt.=1 gal) A.16 B.24 C.30 D.64 Ans.D 29.If the operation,^ is defined by the equation x ^ y = 2x + y, what is the value of a in 2 ^ a = a ^ 3 A.0 B.1 C.-1 D.4 Ans.B 30.A coffee shop blends 2 kinds of coffee,putting in 2 parts of a 33p. a gm. grade to 1 part of a 24p. a gm.If the mixture is changed to 1 part of the 33p. a gm. to 2 parts of the less expensive grade,how much will the shop save in blending 100 gms. A.Rs.90 B.Rs.1.00 C.Rs.3.00 D.Rs.8.00 Ans.C 31.There are 200 questions on a 3 hr examination.Among these questions are 50 mathematics problems.It is suggested that twice as much time be spent on each maths problem as for each other question.How many minutes should be spent on mathematics problems A.36 B.72 C.60 D.100 Ans.B 32.In a group of 15,7 have studied Latin, 8 have studied Greek, and 3 have not studied either.How many of these studied both Latin and Greek A.0 B.3 C.4 D.5 Ans.B 33.If 13 = 13w/(1-w) ,then (2w)2 = A.1/4 B.1/2 C.1 D.2 Ans.C 34. If a and b are positive integers and (a-b)/3.5 = 4/7, then A. b < a B. b > a C. b = a D. b >= a Ans. A 35. In June a baseball team that played 60 games had won 30% of its game played. After a phenomenal winning streak this team raised its average to 50% .How many games must the team have won in a row to attain this average? A. 12 B. 20 C. 24 D. 3 Ans. C 36. M men agree to purchase a gift for Rs. D. If three men drop out how much more will each have to contribute towards the purchase of the gift/ A. D/(M-3) B. MD/3 C. M/(D-3) D. 3D/(M2-3M) Ans. D 37. A company contracts to paint 3 houses. Mr. Brown can paint a house in 6 days while Mr. Black would take 8 days and Mr. Blue 12 days. After 8 days Mr. Brown goes on vacation and Mr. Black begins to work for a period of 6 days. How many days will it take Mr. Blue to complete the contract? A. 7 B. 8 C. 11 D. 12 Ans.C 38. 2 hours after a freight train leaves Delhi a passenger train leaves the same station travelling in the same direction at an average speed of 16 km/hr. After travelling 4 hrs the passenger train overtakes the freight train. The average speed of the freight train was? A. 30 B. 40 C.58 D. 60 Ans. B 39. If 9x-3y=12 and 3x-5y=7 then 6x-2y = ? A.-5 B. 4 C. 2 D. 8 Ans. D 40. A cylinder is 6 cms in diameter and 6 cms in height. If spheres of the same size are made from the material obtained, what is the diameter of each sphere? A. 5 cms B. 2 cms C. 3 cms D. 4 cms Ans C 41. Which of the following fractions is less than 1/3 A. 22/62 B. 15/46 C. 2/3 D. 1 Ans: B 42.Three types of tea the a,b,c costs Rs. 95/kg,100/kg and70/kg respectively. How many kgs of each should be blended to produce 100 kg of mixture worth Rs.90/kg, given that the quntities of band c are equal A.70,15,15 B.50,25,25 C.60,20,20 D.40,30,30 Ans. B 43. In a class, except 18 all are above 50 years. 15 are below 50 years of age. How many people are there A. 30 B. 33 C. 36 D. none of these. Ans. D 44. If a boat is moving in upstream with velocity of 14 km/hr and goes downstream with a velocity of 40 km/hr, then what is the speed of the stream ? A. 13 km/hr B. 26 km/hr C. 34 km/hr D. none of these Ans. A 45. Find the value of (0.75 * 0.75 * 0.75 - 0.001) / (0.75 * 0.75 - 0.075 + 0.01) A. 0.845 B. 1.908 C. 2.312 D. 0.001 Ans. A 47. A can have a piece of work done in 8 days, B can work three times faster than the A, C can work five times faster than A. How many days will they take to do the work together? A. 3 days B. 8/9 days C. 4 days D. can't say Ans. B 48. The smallest number which when diminished by 3 is divisible by 21, 28, 36 & 45 is … A. 423 B. 1257 C. 1263 D. 1260 Ans: C 49.A meter is taken to be equal to 39.3701 inches. If the value is approximated to 39 7/20 inches. The relative % error is … A. 5 B. 0.5 C. 0.05 D. 0.005 Ans : C 50.In a certain office 1/3 of the workers are women, ½ of the women are married and 1/3 of the married women have children. If ¾ of the men are married and 2/3 of the married men have children, what part of workers are without children A. 5/18 B. 4/9 C. 11/18 D. 17/36 Ans: C 51.The avg of kiran’s marks in 7 subjects is 75.His avg in 6 subjects excluding Science is 72. How many marks didi he get in Science A. 72 B. 93 C. 96 D.none Ans: B 52. If A’s income is 33% more than that of B then how much % is B’s income less than that of A A.25 B.23 C.24.6 D.24.8 Ans: D 53. For a sphere of radius 10 cm, the numerical value of surface area is what % of the numerical value of its volume A. 24 B. 26.5 C. 30 D. 45 Ans: C 54. An article when sold at a gain of 5% is yielda Rs 50 more than when sold at a loss of 5%.What is the cost price A. 64 B. 80 C. 150 D. 200 Ans: C 55.20 lts of a mixture contains milk & water in the ratio 5:3. If 4 lts of this mixture is replaced by 4 lts of milk,the ratio of milk to water in the new mixture will become A. 7:3 B. 7:2 C. 8:3 D. 4:3 Ans: A 56.A and B can do a piece of work in 5 days. B and C can do it in 7 days. A and C can do it in 4 days. Who among this will take the least time if put to do it alone A. A B. B C. C D. data not sufficient 57.A car covers 4 successive 3km stretches at speeds of 10kmph, 20kmph,30kmph and 60kmph respectively. Its avg speed(kmph) over this distance is A. 40 B. 25 C. 30 D. 20 Ans: D 58.The output of the following program main() { int i; float *pf; pf = (float *)&i; *pf = 100.00; printf("\n %d", i); } A. Runtime error. B. 100 C. Some Integer not 100 D. None of the above Ans: D 59. main() { int i, j, *p; i = 25; j = 100; p = &i; // Address of i is assigned to pointer p printf("%f", i/(*p) ); // i is divided by pointer p } A. Runtime error. B. 1.00000 C. Compile error D. 0.00000 Ans: C 60. main() { if ((1||0) && (0||1)) { printf("OK I am done."); } else { printf("OK I am gone."); } } A. OK I am done B. OK I am gone C. compile error D. none of the above Ans: A 61.To reduce External Fragmentation the technique used is A.Segmentation B.Compaction C.Fragmentation D.None Ans: B 62.Expand IDEA. A.International Data Encryption Algorithm B.Internal Data Encryption Algorithm C.Inter Data Encryption Algorithm D.Intra Data Encryption Algorithm Ans: A 63. In which topology each computer is directly connected to primary network cable in a single line. A.BUS topology B.STAR topology C.RING topology D.None Ans: A 64. Advantages of DBMS? A.Redundancy is controlled B.Enforcing integrity constraints. C.Data isolation. D.All of the above Ans: D 65. Extend DML A.Data Manipulation Language B.Data Multiplex Language C.Data Model Language D.Data Multiple Language Ans: A 66.Extend YACC A.Yet Another Compiler Compiler B.Yet Another Computer Compiler C.Yet Another Compact Computer D.Yet Advanced Compact Computer Ans: A 67. The copy operation by a simple assignment causes in some cases ? A.no effect B.copy exactly the same as original C.creates new D. hallo copy Ans: D 68. A batsman makes a score of 87 runs in the 17th innings and thus increases his average by 3. Find his average after 17th inning. A. 42 B. 33 C. 39 D. 50 Ans: c 69. A father is twice as old as his son, 20yrs ago the gae of the father was 12 times the age of the son. Find the present age of the father. A. 44 B. 33 c. 39 D. 50 Ans: A 70.If the price of the sugar decreases by 20%, find how much percent a house holder increase her consumption of sugar so as not to decrease the expenditure. A. 42 B. 25 C. 39 D. 50 Ans: A 71. The population of a city increases at the rate of 5% annually. Its present population is 185220. Its population 3 years ago was? A. 181500 B. 183433 C. 16000 D. 127783 Ans: A 72. The CP of 12 articles is equal to SP of 9 articles. Find the gain percentage. A. 33 1/2 % B. 33 C. 40% D. 42% Ans: A 73. An article when sold at a gain of 5% yields 15Rs more than when sold at a loss of 5%. What is the CP? Ans: c 74. A bag contains 50paise and 10paise coins in the ratio 5:9:4, amounting to 206Rs. Find the number of coins of each type? A. 50paise coins 200 25paise coins 360 10paise coins 160 B. 50paise coins 200 25paise coins 360 10paise coins 361 C. 50paise coins 100 25paise coins 260 10paise coins 160 D. 50paise coins 250 25paise coins 300 10paise coins 160 Ans: A 75. A started a business with 21000Rs and is joined afterwards by B with 36000. After how many months did B join if the profits at the end of the year are divided equally? A. 5 B. 6 C. 7 D. 8 Ans: A 76. If 5 men can work for 9hrs a day in 16days in how many days will 18men can do th ework? A. 16 B. 14 C. 13 D. 15 Ans: D 77. A is twice as good a workman as B and together they finish a piece of work in 18days. In how many days will A alone finish the work? A. 26 B. 23 C. 27 D. 28 Ans: c 78.A sum of money is sufficient to pay A's wage for 4 days and B's wage for 28days. The same money is sufficient to pay wages for both A and B A. 12days B. 13 C. 14 D. 10 Ans: A 79. 2 pipes A and B can fill a tank in 24mins and 32 min respectively. If both the pipes are opened simultaneously, after how much time B should be closed so that tank is full in 18min? A. 18min B. 6 C. 4 D. 10 Ans: A 80. Walking 5/6th of its usual speed, a train is 10min too late. Find its usual time to cover the journey. A. 45min B. 50 C. 25 D. 32 Ans: B 81. If a man runs at 3mts/sec how much distance he runs in 1hr 40min? A. 18km B. 80 C. 15 D. 20 Ans: A 82.A train 100mts long takes 6secs to cross a man walking at 5kmphin a direction opposite to that of the train. Find the speed of the train. A. 55kmph B. 80kmph C. 50kmph D. 10kmph Ans: A 83. A train speeds past a pole in 15secs, and platform 100mts long in 25secs.Its length is A. 200m B. 150m C. 250m D. 205m Ans: B 84. In astream running at 2kmph a motor boat goes 6Km upstream and back again to the starting point in 33min. Find the speed of the motor boat in still water? a. 22kmph b. 23kmph c. 24 d. 25 Ans: a 85. In what ratio must tea at Rs62/kg be mixed with tea at Rs72/kg. so that the mixture must be worth Rs.64.50/kg. a. 3:1 b. 2:1 c. 1:4 d. 1:5 Ans: a 86.At what rate percent per annum will a sum of money double in 8yrs? a. 12.5% b. 13% c. 13.5% d. 14% Ans: a 87. The day on 6th March of a year is the same day on what date of the same year? a. 5th Nov b. 10th Dec c. 24th April d. none Ans: a 88. 1. in a class there are less than 500 students . when it is divided by 3 it gives a whole number. similarly 89.when it is divided by 4,5 or 7 gives a whole number. find the no. of students in the class. A. 420 B.200 C. 90 D.250 ans: A 90. What is te smallest number which whne decreased by 5 is divisible by 21, 27, 33, and 55? A. 1490 B. 10400 C. 15490 D. none Ans: B 91. There are some students in a school.The 1/2 of number of students is a whole number. The 1/6 of number of students is a whole number. The 1/5 of number of students is a whole number. The 1/7 of number of students is a whole number.Find the number of students. A. 420 B. 200 C. 390 D. 250 ANS: A 92. one day a person wanted to meet a lawyer, but lawyer was busy,so he told the man to meet him 2 days after the day before the day after tomorrow .Tell what the day is ,if today is Friday. A. Monday B. Tuesday C. Wednesday D. thursday ans: A 93. At some diamond shop ,a burglary happened. Police got hold of 3 suspects named Robbert,Davis and Andy. each one of them pointed the other for the robbery.Robbert said “one of the other 2 has done it. I have not done that.” Latter police came to know that robber was telling lies. Tell who did that. A. davis B. andy C. robbert D. cantsay ans:C 94. A man fixed an appointment to meet Mr.X, X asked him to meet two days after the day before the after tomorrow. Today is Friday. Whats the appointed day. A. Monday B. Tuesday C. Wednesday D. thursday Ans: B 95 .A man said he spent 1/6 of his as a child, 1/12 as salesman in a liquor shop, 1/7 and 5 years as a politician and a good husband respectively. At that time Jim was born. Jim was elected as Alderman four years back.when he was half of his age. What is his age. A. 56 B. 66 C. 76 D. 86 Ans: D 96 Jack,Droug and Ann, 3 children had a race when returning from school. Ann takes 28 steps when Droug takes 24 steps, meantime Jack takes 21 steps. Jack explained that his 6 steps equals Droug’s 7 steps and Ann’s 8 steps. Who won the race? A. droug B. jack C. ann D. noneof the above Ans: A 97. 3,6,13,26,33,66,____ A. 100 B. 83 C. 73 D.93 ans:C 98. There is a circle race going on. One of them says,”1/3 of those in front of me and ¾ of those behind me, give the total number of children in the race”. Then the number of children took part in the race? A. 12 B. 14 C. 15 D. 13 Ans : A 99. M men agree to purchase a gift for Rs. D. If three men drop out how much more will each have to contribute towards the purchase of the gift A. D/(M-3) B. MD/3 C. M/(D-3) D. 3D/(M2-3M) Ans. D 100. A company contracts to paint 3 houses. Mr.Brown can paint a house in 6 days while Mr.Black would take 8 days and Mr.Blue 12 days. After 8 days Mr.Brown goes on vacation and Mr. Black begins to work for a period of 6 days. How many days will it take Mr.Blue to complete the contract? A. 7 B. 8 C. 11 D. 12 Ans.C