NIFT UG 2011 Question Paper with solutions

Question : 14 of 150

Marks: +1, -0

How many bricks are required to build a wall of 15 metres length, 12 metres height and 20 cm thickness if the brick is 36 cm long, 25cm wide and 10 cm thick?

2000
4000
12000
None of these

Validate

Solution:

Volume of the wall

=15×100×12×100×20cm^3

Volume of one brick

=36×25×10cm^3

∴ Number of required bricks

={15×100×12×100×20}/{36×25×10}=4000

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