Mensuration Practice Test 7

Question : 39 of 40

Marks: +1, -0

The capacities of two hemispherical vessels are 6.4 litres and 21.6 litres. The ratio of their inner radii is:

Solution:

Volume of two hemispherical vessel is 6.4 litres and 21.6 litres.

{2/3πR^3}/{2/3 πr^2}

{21.6}/{6.4}

R^3/r^3

{21.6}/{6.4}

R^3/r^3

{216}/{64}

r^3/R^3

{54}/{216}

4/6

= 4 : 6
= 2 : 3

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