Q: The ratio of present ages (in years) of X to Y is equal to the ratio of present ages (in years) of Y to Z. If the present age of Y is 15 years, then which of the following can be the sum of the ages (in years) of X, Y and Z?
(a)35
(b)40
(c)49
(d)55
Correct Answer: (c)
The correct answer is (a): 35. Subject: General Studies | Sub-topic: Miscellaneous