Answers

2014-12-12T22:37:10+05:30
Let height of tank=h
Then we have volume of tank h³=15.6265m³
                                         ⇒ h=2.5m
water already used is (2.5-1.3)=1.2m height
Volume of water used =(2.5)²*1.2
                                 =7.5m³
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