Mensuration Practice Test 10

Question : 3 of 40

Marks: +1, -0

Find the weight of a solid cone that is made up of a iron weighing 0.7 kg per cubic cm if the height and the radii the cone is 6 cm and 1.4 cm respectively.

6,248 g
2,648 g
8,642 g
8,624 g

Validate

Solution:

Weight of the solid cone =

(/3πr^2 h) × 0.7

kg
=

1/3 × {22}/7 × 1.4 × 1.4 × 6 × 0.7

= 8.624 kg = 8,624 g

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