# (Aptitude Paper) Important Aptitude Questions And Answers

### Important Aptitude Questions And Answer

**1.If 2x-y=4 then 6x-3y=?**(a)15

(b)12

(c)18

(d)10

Ans. (b)

**2.If x=y=2z and xyz=256 then what is the value of x?**(a)12

(b)8

(c)16

(d)6

Ans. (b)

**3. (1/10)18 - (1/10)20 = ?**(a) 99/1020

(b) 99/10

(c) 0.9

(d) none of these

Ans. (a)

**4.Pipe A can fill in 20 minutes and Pipe B in 30 mins and
Pipe C can empty the same in 40 mins.If all of them work together, find the time
taken to fill the tank**(a) 17 1/7 mins

(b) 20 mins

(c) 8 mins

(d) none of these

Ans. (a)

**5. Thirty men take 20 days to complete a job working 9
hours a day.How many hour a day should 40 men work to complete the job?**(a) 8 hrs

(b) 7 1/2 hrs

(c) 7 hrs

(d) 9 hrs

Ans. (b)

**6. Find the smallest number in a GP whose sum is 38 and
product 1728**(a) 12

(b) 20

(c) 8

(d) none of these

Ans. (c)

**7. A boat travels 20 kms upstream in 6 hrs and 18 kms
downstream in 4 hrs.Find the speed of the boat in still water and the speed of
the water current?**(a) 1/2 kmph

(b) 7/12 kmph

(c) 5 kmph

(d) none of these

Ans. (b)

**8. A goat is tied to one corner of a square plot of side
12m by a rope 7m long.Find the area it can graze?**(a) 38.5 sq.m

(b) 155 sq.m

(c) 144 sq.m

(d) 19.25 sq.m

Ans. (a)

**9. Mr. Shah decided to walk down the escalator of a tube
station. He found that if he walks down 26 steps, he requires 30 seconds to
reach the bottom. However, if he steps down 34 stairs he would only require 18
seconds to get to the bottom. If the time is measured from the moment the top
step begins to descend to the time he steps off the last step at the bottom,
**