Quantitative Aptitude for Competitive Exams Quiz 3

1.      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

Answer : A

2.     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

Answer : B

3.     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

Answer : B

4.     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%

Answer : B

5.     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

Answer : C

6.     15 men take 21 days of 8 hrs. each to do a piece of work. How many days of 6 hrs. each would it take for 21 women if 3 women do as much work as 2 men?

A.     30

B.     20

C.     19

D.    29

Answer : A

7.     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

Answer : C

8.    The difference b/w the compound interest payble half yearly and the simple interest on a certain sum lent out at 10% p.a for 1 year is Rs 25. What is the sum?

A.     Rs. 15000

B.     Rs. 12000

C.     Rs. 10000

D.    none of these

Answer : C

9.     What is the smallest number by which 2880 must be divided in order to make it into a perfect square ?

A.     3

B.     4

C.     5

D.    6

Answer : C

10.A father is 30 years older than his son however he will be only thrice as old as the son after 5 years what is father’s present age ?

A.     40 yrs

B.     30 yrs

C.     50 yrs

D.    none of these

Answer : A

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