Volumes Practice Test 2

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Question : 30 of 40

Marks: +1, -0

If the volumes of two cubical blocks are in the ratio of 8 : 1, what will be the ratio of their edges?

1 : 2
2 : 1
4 : 1
2 : 3

Solution:

Here,

a_1^3 : a_2^3

= 8 : 1
∴

(a_1/a_2)^3

=

(2/1)^3

⇒

a_1:a_2

= 2 : 1
Therefore, ratio of their edges = 2 : 1.

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