Mathematics · Time and Work
A cistern has two taps attached to it. Tap B can empty the cistern in 45 minutes, while Tap A can fill it in 30 minutes. A person started both taps simultaneously but realized the mistake after 30 minutes and immediately closed Tap B. After this, how much additional time will it take to completely fill the cistern?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
Share:
- 120 minutes✓
- 210 minutes
- 315 minutes
- 430 minutes
Correct answer
20 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 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