Q is as much younger than 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?  Options:
A) 50
B) 99
C) 88
D) 77
E) 23
R - Q = R - T   Q = T.   Also R + T = 50; R + Q = 50   So, (R - Q) cannot be determined.   Answer:77
<result>D</result>
Q is as much younger than 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?