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Question

How many cubic meters of earth must be dug out to make a well of dimeter 5 m and depth 14 m?
  1. 1100 m3
  2. 137.5 m3
  3. 550 m3
  4. 275 m3

A
550 m3
B
275 m3
C
1100 m3
D
137.5 m3
Solution
Verified by Toppr

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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