Interview Questions

Quantitative Aptitude Back

If a sum of money compound annually amounts of thrice itself in 3 years. In how many years will it become 9 times itself.

Ans: 

6 Years.

Two trains move in the same direction at 50 kmph and 32 kmph respectively. A man in the slower train observes the 15 seconds elapse before the faster train completely passes by him. What is the length of faster train ?

Ans: 

75m.

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?

Ans: 

4cm.

If an item costs Rs.3 in '99 and Rs.203 in '00.What is the % increase in price?

Ans: 

200/3 %.

5 men or 8 women do equal amount of work in a day. a job requires 3 men and 5 women to finish the job in 10 days how many woman are required to finish the job in 14 days.

Ans: 

7.

In objective test a correct ans score 4 marks and on a wrong ans 2 marks are subtracted, a student score 480 marks from 150 question. how many ans were correct?

Ans: 

130.

A man leaves office daily at 7pm A driver with car comes from his home to pick him from office and bring back homeOne day he gets free at 5:30 and instead of waiting for driver he starts walking towards home. In the way he meets the car and returns home on car He reaches home 20 minutes earlier than usual.In how much time does the man reach home usually??

Ans: 

1Hr 20Min.

How many 1's are there in the binary form of 8*1024 + 3*64 + 3

Ans: 

4.

A boy has Rs 2. He wins or loses Re 1 at a time If he wins he gets Re 1 and if he loses the game he loses Re 1. He can loose only 5 times. He is out of the game if he earns Rs 5. Find the number of ways in which this is possible?

Ans: 

16.

If there are 1024*1280 pixels on a screen and each pixel can have around 16 million colors. Find the memory required for this?

Ans: 

4MB.