img not found img not found

404 Not Found

image not found

Oops! That page can't be found.

Back to homepage

Q1:
The average age of P, Q, R and S is 30 years. How old is R?
I.  The sum of ages of P and R is 60 years.
 II.  S is 10 years younger than R.

A Both I and II are not sufficient to answer

B Either I or II alone sufficient to answer

C I alone sufficient while II alone not sufficient to answer

D Both I and II are necessary to answer

E II alone sufficient while I alone not sufficient to answer