Question

The dimensions of a cinema hall are 100 m, 50 m and 18 m. How many persons can sit in the hall, if each person requires 150 m³ of air?

Answer 1

Answer:

volume of Hall is lbh 100x50x18=90000

no persons can sit is 90000/150 =600person

Answer 2

Given: The dimensions of a cinema hall are 100 m, 50 m and 18 m.

Each person requires 150 m³ of air.

Volume of cinema hall , V = l × b × h

Volume of cinema hall , V = 100 × 50 × 18 m³  

Number of persons can sit in cinema hall  = Volume of cinema hall /  Volume of air each person requires

Number of persons can sit in cinema hall  = 100 × 50 × 18 m³ /150 m³

Number of persons can sit in cinema hall =  600

Hence, 600 persons can sit in the hall.  

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