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If C's age is twice the average age of A...

If C's age is twice the average age of A, b and C. A's age is one half the average of A, b and C. If b is 5 years old, the average age of A, b and C is_.

A

10 years

B

15 years

C

12 years

D

9 years

Text Solution

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The correct Answer is:
A
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