"A school room is to be built to accommodate 70 children so as to allow 2.2 m2 of floor and
Channel: Doubtnut
Date: 05/04/2020

"A school room
 is to be built to accommodate 70 children so as to allow 2.2 m2 of
 floor and 11 m3 of space for each child. If the room be 14 metres
 long, what must be its breadth and height?
(a) 11 m, 4
 m (b) 11 m, 5 m (c) 12 m, 5.5 m (d) 13 m, 6 m"