Question

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?

a.

11 days

b.

13 days

c.

20(3/17) days

d.

None of these

Posted under Aptitude

Answer: (b).13 days

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Q. 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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