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DILLIP KUMAR BEHERA

· started a discussion

· 1 Months ago

Ssc type (Question:86189.0)

Be exam oriented pls..

Question:
A wall of 48 meter long, 36 meter wide and 24 meter high is made up of 2 x 3 x 6 bricks. If a window occupies 1/12th of the volume of the wall, find the number of bricks?
Options:
A) 1053
B) 1054
C) 1055
D) 1056
E) None of these
Solution:

Ans: (d) Volume of wall = 48 x 36 x 24 = 41472m³

1/12 of volume of wall = 41472/12 = 3456m³

Volume of wall occupied by bricks = 41472 – 3456 = 38016m³

Volume of bricks = 2 x 3 x 6 = 36m³

No. of bricks = \(\cfrac{38016}{36}\) = 1056 

arpita ghosh

· commented

· 1 Months ago

well said
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