1.

49 pumps can empty a reservoir in days, working 8 hours a day. If 196 pumps are used for 5 hours each day, then the same work will be complete in ?

A. 2 days
B. 212212 days21221221221221221222212121122212
C. 235235 days23523523523523523522235353355235
D. 3 days
Answer» B. 212212 days21221221221221221222212121122212


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