self Maths Puzzle Numerical Ability Pipes and Cistern

1. Two taps can fill a tank in 18 and 24 min respectively. When both the taps are opened find when the first tap be turned off so that the tank may be filled in 12 min.

* a. 6 min
* b. 10 min
* c. 9 min
* d. 12 min

Read Solution (Total 3)

self Other Question

1. What is the length of the longest rod that can be placed in a room 10m long, 6m broad and 4m high?


a. 7.21 m
b. 8.32 m
c. 10.91 m
d. 12.33 m
1. A sum of Rs. 3310 is to be paid back in 3equal annual installments. What is the total interest charged if the interest is compounded annually at 10%?

* a. Rs.1331
* b. Rs. 683
* c. Rs. 331
* d. Rs. 993