Mathematics · Work and Time

A can do a piece of work in 15 days and B in 20 days. If they work together on it for 4 days, then what fraction of the work is left?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

11⁄10
21⁄4
37⁄15
48⁄15✓

Correct answer

8⁄15

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A can do a piece of work in 15 days and B in 20 days. If they work together on it for 4 days, then what fraction of the work is left?

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A can do a piece of work in 15 days and B in 20 days. If they work together on it for 4 days, then what fraction of the work is left?

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