How many cubic meters of earth must be dug out to make a well of dimeter 5 m and depth 14 m?
1100 m3
137.5 m3
550 m3
275 m3
A
550 m3
B
275 m3
C
1100 m3
D
137.5 m3
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Solution
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The correct option is D 275 m3 Volume of earth dug out = Volume of the well =πr2h=227×2.5m×14m=275m3
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