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Question

Present average of age of A and B is (9x-15) years.

Present average age of A, B and C is (6x+5) years. If present age of B is 20% less than the present age of C and 25% more than the present age of A, then find the present age of A.

A 25 years

B 28.8 years

C 19.2 years

D 22.4 years

E None of these

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