Answers

2016-03-18T20:39:27+05:30
Time taken by water=15000x=length
radius= 7 /100m
volume= pie 73.5x =11×21x

volume of rectangular park=50×44×21/100
22×21


there fore
11×21x = 22 × 21
ie x= 2
the answer is two hours
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