The dimensions of a hall are 40 m, 25 m and 20 m. If each person requires 200 cubic metre,
The dimensions of a hall are 40 m, 25 m and 20 m. If each person requires 200 cubic metre, then the number of persons who can be accomodated in the hall are
(1) 120 (2) 150 (3) 140 (4) 100
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(4) The volume of the hall is 40 × 25 × 20 cu m.
Since, each person needs 200 cu m, number of persons
= 40 x 25 x 20/200
= 100
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