Mathematics · Time and Work
A cistern can be filled by a tap in 6 hours and emptied by an outlet pipe in 7.5 hours. How long (in hours) will it take to fill the cistern completely if both the tap and the pipe are opened together?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
Share:
- 125 hours
- 227 hours
- 330 hours✓
- 424 hours
Correct answer
30 hours
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 Time and Work MCQs →Want more practice questions on Time and Work?
Solve complete topic-wise tests with detailed solutions on GkGet.
Related Practice Questions
Recommended practice questions in Mathematics · Time and Work