Officer Aptitude Rating (OAR) Test 2025 – 400 Free Practice Questions to Pass the Exam

To determine how quickly the faster pipe can fill a pool compared to the slower pipe, one must analyze the rates of both pipes. If we know the filling rates of each pipe in terms of hours to fill the entire pool, we can establish a comparative ratio.

If the faster pipe can fill the pool in a certain number of hours, let’s say it takes 2 hours to fill it completely. If the slower pipe takes 4 hours to fill the same pool, we can calculate how much time each pipe takes in relation to the other.

To find out how many times faster the faster pipe is, we divide the time taken by the slower pipe by the time taken by the faster pipe. In this case, it would be 4 hours divided by 2 hours, which equals 2. This shows that the faster pipe fills the pool 2 times faster than the slower pipe, making the correct answer reflect a doubling of the speed.

This clear relationship sets a basis for understanding flow rates and comparative speeds, establishing that the answer claiming a 2 times faster filling rate is indeed accurate.