Mathematics · Pipes and Cisterns
A pipe can fill a tank in 20 minutes. Another pipe can empty that tank in 30 minutes. If both are opened alternately for 1 minute each, starting with the filling pipe, how long will it take to fill the tank completely?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
Share:
- 1130 minutes
- 2120 minutes
- 3115 minutes✓
- 4110 minutes
Correct answer
115 minutes
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