SSC CPO SI and ASI 2013 Paper

Question : 117 of 200

Marks: +1, -0

A godown is 15 m long and 12 m broad. The sum of the areas of the floor and the ceiling is equal to the sum of areas of the four walls. The volume (in m

^{3}

) of the godown is

900
1200
1800
720

Validate

Solution:

(2) Let the height of the godown be

l

meter, then

2(15 × 12)=21(15+12)

⇒ 1= {180}/{27}= {20}/{3} {m}

Volume of godown

=15 × 12 ×{20}/{3}=1200 {m}^{3}

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