Q: A is 30% more efficient than B. How much time will they, working to – McqOptions

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1.	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 ?
A.	9 days
B.	11 days
C.	13 days
D.	15 days
Answer» D. 15 days

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