# Two pipes A and B can separately fill a cistern in 60 min and 75 min respectively. There is a third pipe in the bottom of the cistern to empty it. If all the three pipes are simultaneously opened, then the cistern is full in 50 min. In how much time, the third pipe alone can empty the cistern? with Answer - Maths Mcqs | TestPrep

> Solved MCQ: Two pipes A and B can separately fill a cistern in 60 min and 75 min respectively. There is a third pipe in the bottom of the cistern to empty it. If all the three pipes are simultaneously opened, then the cistern is full in 50 min. In how much time, the third pipe alone can empty the cistern? Correct Answer: B. 100 min. Verified answer explanation for FPSC, PPSC, MDCAT, NTS, and CSS competitive exam preparation.

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# Two pipes A and B can separately fill a cistern in 60 min and 75 min respectively. There is a third pipe in the bottom of the cistern to empty it. If all the three pipes are simultaneously opened, then the cistern is full in 50 min. In how much time, the third pipe alone can empty the cistern?

Direct Answer & Quick Reference

The correct option is **B. 100 min**.

A. 90 min

B. 100 min **(Correct Answer)**

C. 110 min

D. 120 min

✨ Explain with AI

Verified Key: B. 100 min
Solved by 3,623+ students

Verified against official examination board answer keys and standard curriculum textbooks.

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