# A tank can be filled by a pipe in 20 min. and by another pipe in 60 min. \xa0Both the pipes are kept open for 10 min. and then the first pipe is shut off. \xa0After this, the tank will be completely filled in _____ ? with Answer - Maths Mcqs | TestPrep

> Solved MCQ: A tank can be filled by a pipe in 20 min. and by another pipe in 60 min. \xa0Both the pipes are kept open for 10 min. and then the first pipe is shut off. \xa0After this, the tank will be completely filled in _____ ? Correct Answer: B.\xa020 min. Verified answer explanation for FPSC, PPSC, MDCAT, NTS, and CSS competitive exam preparation.

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# A tank can be filled by a pipe in 20 min. and by another pipe in 60 min. \xa0Both the pipes are kept open for 10 min. and then the first pipe is shut off. \xa0After this, the tank will be completely filled in _____ ?

Direct Answer & Quick Reference

The correct option is **B.\xa020 min**.

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Verified Key: B.\xa020 min
Solved by 5,551+ students

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

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*Source: https://test-prep.blog/mcq/a-tank-can-be-filled-by-a-pipe-in-20-min-and-by-another-pipe-in-60-min-xa0both-t-270b42e7-220e-4ce8-ab68-de69f7417f3c*
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