पांच वर्ष पहले P, Q तथा R की औस� – McqOptions

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1.	पांच वर्ष पहले P, Q तथा R की औसत आयु 25 वर्ष थी एवं सात वर्ष पहले Q तथा R की औसत आयु 20 वर्ष थी तो P की वर्तमान आयु है ?
A.	67
B.	21
C.	36
D.	89
Answer» D. 89

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