Answers

2016-04-06T13:59:38+05:30
ANS:  7 Hours


If 7 maids with 7 mops clean 7 floors in 7 hours, this implies that 1 maid with 1 mop cleans 1 floor in 7 hours.

So, 3 maids with 3 mops will take 7 hours to clean 3 floors.
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