Question
Easy
Two taps A and B would fill a tank completely in 30 and 36 minutes respectively. Both taps being opened, find when the tap A must be turned off so that the tank must be just filled in 18 minutes ?
1
After 15 minutes
2
After 12 minutes
3
After 14 minutes
4
After 16 minutes
Question Details
Time to Solve: 12
Exam: HTET
Level/Paper: Level 3
Chapter: Word Problems
Topic: Pipe & Cistern
Correct Answer
Option A
Explanation
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