How many planks of dimensions (5m x 25cm x 10cm) can be stored in a pit which is 20m long, 6m wide and 80cm deep?

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Solution

Dear student ,
dimensions of a plank =
500cm , 25cm , 10cm
Volume of plank =
(500×25×10) cm³ = 125000 cm³

Dimesions of pit =
2000cm , 600 cm , 80cm
Volume of pit =
(2000×600×80)cm³ =96000000 cm³
number of planks that can be stored in the pit
= Volume of pit ÷ volume of 1 plank
= 96000000 ÷ 125000 = 768
[ 1 m = 100 cm ]
[Volume of cuboid =
product of its dimensions]
Regards

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