Mathematics · Pipes and Cisterns
One inlet pipe can fill a tank in 21 minutes while an outlet pipe can completely empty the filled tank in 24 minutes. If both pipes are opened together on an empty tank, how long (in minutes) will it take to fill one-fourth of the tank?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
Share:
- 1126
- 284
- 3168
- 442✓
Correct answer
42
Download Single Question PDF
Save this question and verified answer as a clean study sheet with live clickable link.
👥
Share with Friends & Study Groups
Challenge your peer aspirants on WhatsApp or Telegram to solve this question!
Online Test Series
Start Free Mock Test →Preparing for Mathematics?
Practice full-length mock tests with real exam timers, instant score analysis, and all-India ranking.
Chapter Practice
Practice Pipes and Cisterns MCQs →Want more practice questions on Pipes and Cisterns?
Solve complete topic-wise tests with detailed solutions on GkGet.
Related Practice Questions
Recommended practice questions in Mathematics · Pipes and Cisterns