Question

A rectangular wall is 27 m long, 60 cm thick and 4 m high. If cube-shaped
bricks of side 30 cm each are used, how many bricks will be required to be
the wall?​

Answer 1

Answer:

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Answer 2

The number of bricks will be required to be  the wall is 2400.

Step-by-step explanation:

Consider the provided information.

Volume of cuboid = length × breadth × height

A rectangular wall is 27 m long, 60 cm thick and 4 m high.

As we know 1 m = 100 cm, so convert all the measurement in cm.

Volume of the wall = 27 m × 60 cm × 4 m  

                               = 27 × 100 cm × 60 cm × 4 × 100 cm

Cube-shaped  bricks of side 30 cm each are used.

Volume of cube is = side × side × side

Volume of brick = 30 cm × 30 cm × 30 cm

The number of bricks = $\frac{\text{Volume of the wall}}{\text{Volume of the brick}}$

The number of bricks = $\frac{27\times100\times60\times4\times100}{30\times30\times30}$

                                    = $6\times4\times100$

                                    = 2400

Hence, the number of bricks will be required to be  the wall is 2400.

#Learn more

A bricks measure 20cm×10cm×3.5cm. How many bricks will be required for a wall of dimensions 25m×2m×0.35m?

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