Question

a room is 4.5m long, 4m broad and 3.5m high.how much air does it certain? how many boys sit in it if each boy occupies 2.52cubemetre of air space.

Answer 1

Dimensions of the room
= 4.5 * 4 *3.5
So, volume of the room = 4.5*4*3.5
= 63 cubic metres.
Therefore, total air present in the room is 63 cu. m.

No. Of boys = 63/2.52
=25 boys

Therefore 25 boys can be accommodated in the room.

Hope this will be helping you

:) :)

Answer 2

Air contain in room=volume of room
volume of room=l×b×h
volume of room=4.5×4×3.5
volume of room = 63m^3
air sapces require of each boy = 2.52m^3
number of boy in the room =63/2.52
no of boy = 25
hope it would help u

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