1.

A) Find the number of bricks of size 20 cm x 12 cm x 5 cm required to build a wall of volume 60 m​

Answer»

ong>Answer:

VOLUME of wall is 60m^3

volume of BRICK is 20cm × 12 × 5cm

number of BRICKS is = 60m^3 ÷ (20cm × 12cm × 5cm)

60m^3 ÷ 1200cm^3

60000000cm^3 ÷ 1200cm^3

5000 bricks



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