How many planks of dimensions (5m multiply 25 cm multiply 10 cm) can be stored in a pit which is 20 m long, 6 m wide, and 50 cm deep?
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Volume of one plank(v) = 5m x 0.25m x 0.1m = 0.125m³
volume of pit (V) = 20m x 6m x 0.8m = 96m³
no. of planks = V/v = 96/0.125 = 768 planks
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