Question

cost of digging a well at 2m is radius and 14m is depth at the cost of rs 1.20 cubic meter

Answer 1

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Given Radius =2m=2m

Altitude =14m=14m

Volume of the wall =πr2h=πr2h

=227=227×2×2×14×2×2×14

=88cm3=88cm3

cost of digging a well =Rs.1.20/cm3=Rs.1.20/cm3

Total cost of digging =Rs.88×1.20=Rs.88×1.20

=Rs.105.6=Rs.105.6

Answer : 105.6


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