Question

A bricks has dimension 10cm× 6cm×5cm. If 1cm cube 3 of brick material weights 5g. Find the weight of 8 bricks.

Answer 1

Volume of 1 brick- 300cm cube
Volume of 8 bricks- 2400cm cube
Weight of 1 brick - 300×5g =1500g
Weight of 8 bricks - 1500×8g=12000g= 12 kg

Answer 2

Volume of brickn
= 10 * 6 * 5
= 300cm3

weight of one brick
= 300 * 5
= 1500g

weight of 8 bricks
= 1500 * 8
= 12000g or 12kg