CG TET 2016 Paper 1 Solved Paper

Question : 103 of 150

Marks: +1, -0

A classroom is 20 feet long, 15 feet broad and 12 feet high having seating capacity of 60 students. If one student needs 50 cubic feet (cft) of fresh air, then the amount of air required by students is how much less/more than the available one?