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Question
If the radius of a circle is a multiple of 3, then the diameter will be a multiple of
Options:
A .  3
B .  6
C .  both 3 and 6
D .  5
Answer: Option C
:
C
Given that
The radius of a circle is a multiple of 3.
So, the radius of the circle can be 3n, where n is any natural number.
Now, Diameter of a circle = radius × 2 = 3n× 2 = 6 ×n
Hence, the diameter of the circle is a multiple of both 3 and 6.

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