Q. 14

# The height of Cha

Let the depth of each hole be h.

Given , length of each hole = 14m

breadth of each hole = 8m

total no. of holes = 30

Total quantity of soil = 2520 m3

As, total volume of soil in 30 holes = total quantity of soil

therefore, 30×14×8×h = 2520

h =

h = 0.762 m.

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