Mensuration Practice Test 6

Question : 26 of 40

Marks: +1, -0

A 20 m deep basement is dug. Its dimensions are 14 × 9 m. Find the number of bricks that can be made by using the earth if dimensions of the brick are 13 × 7 × 1 m.

600 bricks
1,230 bricks
720 bricks
590 bricks

Validate

Solution:

Volume of earth dug = 20 × 14 × 9 = 65,520

m^3

Volume of the brick = 13 × 7 × 1 = 91

m^3

Number of bricks =

{65520}/{91}

= 720 bricks

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