Mathematics · Time and Work

P can do a piece of work in 7 days and Q can do the same work in 21 days. How many days will both take together to complete the same work?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

15.25✓
26.00
35.75
44.75

Correct answer

5.25

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P can do a piece of work in 7 days and Q can do the same work in 21 days. How many days will both take together to complete the same work?

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P can do a piece of work in 7 days and Q can do the same work in 21 days. How many days will both take together to complete the same work?

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