# Two pipes can fill a tank in 18 minutes and 15 minutes. An outlet pipe can empty the tank in 45 minutes. If all the pipes are opened when the tank is empty, then how many minutes will it take to fill the tank? with Answer - Maths Mcqs | TestPrep

> Solved MCQ: Two pipes can fill a tank in 18 minutes and 15 minutes. An outlet pipe can empty the tank in 45 minutes. If all the pipes are opened when the tank is empty, then how many minutes will it take to fill the tank? Correct Answer: D. 10. Verified answer explanation for FPSC, PPSC, MDCAT, NTS, and CSS competitive exam preparation.

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# Two pipes can fill a tank in 18 minutes and 15 minutes. An outlet pipe can empty the tank in 45 minutes. If all the pipes are opened when the tank is empty, then how many minutes will it take to fill the tank?

Direct Answer & Quick Reference

The correct option is **D. 10**.

A. 12

B. 13

C. 11

D. 10 **(Correct Answer)**

✨ Explain with AI

Verified Key: D. 10
Solved by 5,471+ students

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

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*Source: https://test-prep.blog/mcq/two-pipes-can-fill-a-tank-in-18-minutes-and-15-minutes-an-outlet-pipe-can-empty--c711c3d6-293e-4cbd-9f62-afd6f276d5df*
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