Question

2.
How many bricks, each measuring 25 cm x
15 cm x 8 cm will be required to build a wall
1
10 m * 4 dm x 5 m, when of its volume is
10
occupied by mortar?​

Answer 1

Answer:

Volume of wall=19 m ×4 m ×5 m =380m

3

Volume of each brick=25 cm ×15 cm ×8 cm = 3000cm

2

=0.003m

3

Number of bricks needed =

Volumeofeachbrick

(Volumeofwall)−(10Percent×Volumeofwall)

=

0.003

380−(0.1×380)

=114000

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