1.

6 pumps of kirlosker can fill a tank in 7 days and 2 similar pumps of USHA can fill the same tank in 18 days. what is the ratio of the efficiency of a kirlosker pump and a USHA pump?

A. 0.25486111111111
B. 0.29583333333333
C. 0.32916666666667
D. None of these
Answer» B. 0.29583333333333


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