.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? - Study24x7
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Goraksha Dadhich
14 Mar 2019 10:04 AM study24x7 study24x7

.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

13days

C

20 3 7 days

D

None of these

Banking Railways UPSC Sciences
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