Mathematics · Time and Work

A is 30% more efficient than B. How much time will they, working together, take to complete a job which A alone could have done in 23 days?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

13 17 days
213 days✓
311 days
415 days

Correct answer

13 days

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A is 30% more efficient than B. How much time will they, working together, take to complete a job which A alone could have done in 23 days?

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A is 30% more efficient than B. How much time will they, working together, take to complete a job which A alone could have done in 23 days?

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