IBM Placement :: Quantitative Aptitude Questions : Set - IV

1. In simple interest what sum amounts of Rs.1120/- in 4 years and Rs.1200/- in 5 years ?

(a) Rs. 500

(b) Rs. 600

(c) Rs. 800

(d) Rs. 900

Ans. C

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

(a) 6

(b) 8

(c) 10

(d) 12

Ans A

3. 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 ?

(a) 100m

(b) 75m

(c) 120m

(d) 50m

Ans B

4. How many mashes are there in 1 squrare meter of wire gauge if each mesh is 8mm long and 5mm wide ?

(a) 2500

(b) 25000

(c) 250

(d) 250000

Ans B

5. x% of y is y% of ?

(a) x/y

(b) 2y

(c) x

(d) can't be determined

Ans. C

6. The price of sugar increases by 20%, by what % should a housewife reduce the consumption of sugar so that expenditure on sugar can be same as before ?

(a) 15%

(b) 16.66%

(c) 12%

(d) 9%

Ans B

7. A man spends half of his salary on household expenses, 1/4th for rent, 1/5th for travel expenses, the man deposits the rest in a bank. If his monthly deposits in the bank amount 50, what is his monthly salary ?

(a) Rs.500

(b) Rs.1500

(c) Rs.1000

(d) Rs. 900

Ans C

8. 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

9. 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

10. A car travels a certain distance taking 7 hrs in forward journey, during the return journey increased speed 12km/hr takes the times 5 hrs.What is the distance traveled

(a) 210 kms

(b) 30 kms

(c) 20 kms

(c) none of these

Ans. B

11. Instead of multiplying a number by 7, the number is divided by 7. What is the percentage of error obtained ?

12.  Find (7x + 4y ) / (x-2y) if x/2y = 3/2 ? 

(a) 6

(b) 8

(c) 7

(d) data insufficient

Ans. C

13. A man buys 12 lts of liquid which contains 20% of the liquid and the rest is water. He then mixes it with 10 lts of another mixture with 30% of liquid. What is the % of water in the new mixture?

14. If a man buys 1 lt of milk for Rs.12 and mixes it with 20% water and sells it for Rs.15, then what is the percentage of gain?

15. Pipe A can fill a tank in 30 mins and Pipe B can fill it in 28 mins.If 3/4th of the tank is filled by Pipe B alone and both are opened, how much time is required by both the pipes to fill the tank completely ?

16. If on an item a company gives 25% discount, they earn 25% profit. If they now give 10% discount then what is the profit percentage.

(a) 40%

(b) 55%

(c) 35%

(d) 30%

Ans. D

17. A certain number of men can finish a piece of work in 10 days. If however there were 10 men less it will take 10 days more for the work to be finished. How many men were there originally?

 (a) 110 men

(b) 130 men

(c) 100 men

(d) none of these

Ans. A

18. In a digital circuit which was to implement (A B) + (A)XOR(B), the designer implements (A B) (A)XOR(B)   What is the probability of error in it ?

19. 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

20. 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

21. On a particular day A and B decide that they would either speak the truth or will lie.  C asks A whether he is speaking truth or lying?  He answers and B listens to what he said. C then asks B what A has said  B says "A says that he is a liar"   What is B speaking ?

(a) Truth(b) Lie
(c) Truth when A lies
(d) Cannot be determined

Ans. (b)