Volume of the cube is increased by 72.8%. Find the length of new cube

1.	Volume of the cube is increased by 72.8%. Find the length of new cube if the length of the original cube was 10 cm.1. 112. 123. 144. 16
Answer» Correct Answer - Option 2 : 12 Given : The volume of cube increased by 72.8% The original length of the cube was 10 cm Formula Used : The volume of cube = a³ (where a is the side of the cube) Calculations : Side of the original cube = 10 cm The volume of the original cube = 10³ ⇒ 1000 cm³ The volume of the cube is increased by 72.8% Volume of new cube = 1000 + 72.8% of 1000 ⇒ 1000 + 728 = 1728 cm³ Let the length of new cube ‘x’ 1728 = (x)³ ⇒ x = 12 cm ∴ The length of the side of the new cube is 12 cm

Volume of the cube is increased by 72.8%. Find the length of new cube if the length of the original cube was 10 cm.1. 112. 123. 144. 16

Answer» Correct Answer - Option 2 : 12

Given :

The volume of cube increased by 72.8%

The original length of the cube was 10 cm

Formula Used :

The volume of cube = a³ (where a is the side of the cube)

Calculations :

Side of the original cube = 10 cm

The volume of the original cube = 10³

⇒ 1000 cm³

The volume of the cube is increased by 72.8%

Volume of new cube = 1000 + 72.8% of 1000

⇒ 1000 + 728 = 1728 cm³

Let the length of new cube ‘x’

1728 = (x)³

⇒ x = 12 cm

∴ The length of the side of the new cube is 12 cm

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