Q is much younger then R as he is older than T. If the sum of the ages of R and T is 50 years, what is definitely the difference between R and Q’s age?

A 1years

B 2years

C 25 years

D Data inadequate

Correct Answer: Option D

suppose, T=x years R=50-x years q= y years according to question, 50-x-y=y-x so,y=25 R-Q=50-x-25=25-x so, data is inadequate