Mathematics · Time and Work
Pipes P and Q can fill a tank in 18 hours and 27 hours, respectively. Pipe R is an emptying pipe. When the tank is empty, P and Q are opened together for 6 hours and then both are closed and R is opened. The tank is now emptied in 30 hours. In how many hours can P and R together fill half the tank?
- 110 12
- 213 12✓
- 318
- 415
Correct answer
13 12
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!
Preparing for Mathematics?
Practice full-length mock tests with real exam timers, instant score analysis, and all-India ranking.
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