Question

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➝ A rectangular examination hall having seats for 500 candidates has to be built so, as to allow 4 cubic meters of air and 0.5 square meters of floor area per candidate. If the length of the hall is 25m.Find the height and breadth of the hall.

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Answer 1

Answer:

total area of floor = 0.5× 500 = 250m²

now area = L×B = 25×B = 250

so breadth = 10m

now total volume = 4×500= 2000m³

so LBH= 4000

25 H× 10 ×H = 2000

height = 8m

Answer 2

Answer:

Answer:

total area of floor = 0.5 * 500 = 250m ^ 2

now area =L* B=25* B=250

so breadth =10m

now total me = 4 * 500 = 2000m ^ 3

so LBH = 4000

height = 8

25H * 10H = 2000