चार वर्ष पहले A,B,C की औसत आयु 2 – McqOptions

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1.	चार वर्ष पहले A,B,C की औसत आयु 25 वर्ष थी \| चार वर्ष पहले B तथा C की औसत आयु 21 वर्ष थी \| A की वर्तमान आयु है ?
A.	32
B.	67
C.	37
D.	45
Answer» D. 45

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