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Maths questions series #4

4 years ago 23.1K Views
Q :  

The sum for 2 years gives a compound interest of ₹ 3225 at 15 % rate. Then sum is 

(A) 15000

(B) 32250

(C) 10000

(D) 20000

Correct Answer : C

Q :  

Hitesh is 40 years old and Rohit's age is 60 years, how many years ago his age ratio was 3: 5?

(A) 10 year

(B) 5 year

(C) 20 year

(D) 25 year

Correct Answer : A

Q :  

The ratio of age of two boys is 5 : 6. After two years the ratio will be 7 : 8. The ratio of their age after 12 years will be 

(A)

(B)

(C)

(D)

Correct Answer : A

Q :  

A tap takes 36 hours extra to fill a tank due to leakage equivalent to half of its inflow. The inflow can fill the tank in how many hours?

(A) 36 hours

(B) 24 hours

(C) 30 hours

(D) 18 hours

Correct Answer : A

Q :  

12 pumps working 6 hours a day can empty a completely filled reservoir in 15 days. How many such pumps working 9 hours a day will empty the same reservoir in 12 days?

(A) 15

(B) 9

(C) 10

(D) 12

Correct Answer : C

Q :  

The least number, by which 1944 must be multiplied so as to make the result a perfect cube is 

(A) 6

(B) 2

(C) 13

(D) 3

Correct Answer : D

Q :  

What mathematical operation should come at the place of ‘?’ in the equation:
2 ? 6 – 12 ÷ 4 +2 =11.

(A) +

(B) –

(C) ×

(D) ÷

Correct Answer : C
Explanation :

Put option (C) you can find your answer.


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