Cognizant GenC Sample Aptitude Questions and Answers

Q1 A train 125 meters long passes a man running at 5 km/hr in the same direction in which the train crosses in 10 seconds. The speed of the train is:

Q2 A sum fetched a total simple interest of Rs. 4016.25 at the rate of 9 % p.a. in 5 years. What is the sum of the money or the principal amount?

Q3 In an election between two candidates, one got 55% of the total valid votes and got 20% invalid votes. At the end of the day when the total number of votes were counted, the total number was found to be 7500. So what was the total number of valid votes that the winning candidate got, was:

Q4 January 1, 2008, is Tuesday. What day would lie on Jan 1, 2009?

Q5 A whole number n which when divided by 4 gives 3 as remainder. What will be the remainder when 2n is divided by 4?

Q6 In a 100 m race, Aman takes 36 seconds to complete the race and Bijay takes 45 seconds. By what distance Aman beats Bijay in the race?

Q7 Identify the odd number from the series: 835, 734, 642, 751, 853, 981, 532

Q8 In a group of 6 men and 4 women, four are to be selected. In how many different ways can they be selected such that at least one man should be there in the group?

Q9 A box contains 15 marbles out of which 4 are white, 5 are red and 6 are blue. Three balls are to be drawn at random from the bag. What is the probability that all of them are red is:

Q10 X, Y and Z can do a piece of work in 20, 30 and 60 days respectively depending on their capacity of doing work. If X is assisted by Y and Z on every third day, then in how many days X will complete the work?

Q11 Find the remainder when (100!)^100 is divided by 23?

Q12 One pipe can fill a bucket three times as fast as another pipe. If together the two pipes can fill the bucket in 36 minutes, then the slower pipe alone will be able to fill the bucket in:

Q13 Aman’s speed with the current is 15 km/hr and the speed of the current is 2.5 km/hr. What is Aman’s speed against the current?

Q14 Seats for Mathematics, Physics and Biology in a school are in the ratio 5:7:8. There is a proposal to increase these seats by 40%, 50% and 75% respectively. What will be the ratio of increased seats?

Q15 A hollow iron pipe is 21 cm long and its external diameter is 8 cm. If the thickness of the pipe is 1 cm and iron weighs 8 g/cm3, then the weight of the pipe is:

Q16 Rohit’s father is three times elder than Rohit. After 8 years, he would be two and a half times of Rohit’s age. After a further 8 years, how many times would he be of Rohit’s age?

Q17 A tap can fill a bucket in 6 hours. After half the bucket is filled, three more similar taps are opened. What is the total time taken to fill the bucket completely?

Q18 A ship, whose speed is 15 km/hr in still water, goes 30 km downstream and comes back in a total of 4 hours 30 minutes. What is the speed of the stream in km/hr?

Q19 In a mixture 60 litres, the ratio of milk to water is 2:1. If this ratio is to be 1:2, then what is the quantity of water needed to be further?

Q20 A hall is 15 m long and 12 m broad. If the sum of the areas of the floor and the ceiling is equal to the sum of the areas of four walls, the volume of the hall is:

Q21 If the average of 5 consecutive even numbers is 10, find the middle number?

Q22 Two numbers are in the ratio of 2:9. If their H. C. F. is 19, numbers are:

Q23 Three friends started running together on a circular track at 8:00:00 am. Time taken by them to complete one round of the track is 15 min, 20 min, 30 min respectively. If they run continuously without any halts, then at what time will they meet again at the starting point for the fourth time ?

Q24 Two friends A and B were employed to do work. The initial deadline was fixed at 24 days. Both started working together but after 20 days, A left the work and the whole work took 30 days to complete. In how much time can B alone can do the work?

Q25 Two pipes A and B attached to a swimming pool can fill the pool in 20 minutes and 30 minutes respectively working alone. Both were opened together but due to malfunctioning of the motor of pipe A, it had to be shut down after two minutes but B continued to work till the swimming pool was filled completely. Find the total time taken to fill the pool.

Q26 In a press meet on the recent scam, the minister said, “The buck stops here”. What did the minister convey by the statement?

Q27 Choose the most appropriate phrase to complete the sentence:

“India is a post-colonial country because”

Q28 Who ___________ was coming to see us this evening?

Q29 Match the columns:

        Column 1    Column 2

1. eradicate    P) misrepresent
   
2. distort        Q) soak completely
   
3. saturate      R) use
   
4. utilize          S) destroy utterly

Q30 The old city of Koenigsberg, now Kaliningrad, is a Russian territory. Which statement can be inferred?