Question

The average age of P and Q is 20 years. If R were to
replace P, the average would be 19 and if R were to
replace Q, the average would be 21. What are the age
of P, Q and R?​

Answer 1

Answer:

A is to be replaced by c, the average would be 19 years, The average age of C and A is 21 years. The ages of A, B and C in order (in years) are. ... A+B2=20 years ... C+A2=21 year s

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Five years ago, the average age of P and Q was 25. The average age ...

Age of R after 5 years will be. A) 15 years. B) 20 years.

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The average of A and B is 20 years. If C were to replace

Correct Option: C. Let a, b, c are the ages of A, B and C respectively a + b = 2 X 20 = 40 ...

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