Qudurat GAT Practice
ArithmeticQuestion 394 of 550

The first tap fills a pool in 4 hours. The second fills it in 6 hours. How many hours do they need to fill the pool if both are open?

  1. 5 hours
  2. 2 hours
  3. 2.5 hours
  4. 2.4 hours
Show answer

Correct answer: 2.4 hours

In one hour they fill 1/4 + 1/6 = 5/12 of the pool. Time = 12/5 = 2.4 hours.

Test structure: ETEC guide to the GAT

Practice arithmetic

Questions last reviewed: 21 October 2026