Refer to the data below and answer the questions that follow.
Five heavy weight boxers measure their weights. Following results were obtained :
1. P is heavier than R by 14 lb.
2. B is lighter than S by 10 lb.
3. M’s weight is equal to the average weight of the four other boxers.
4. P’s weight and B’s weight taken together equals the weight of M and S.
5. The sum of the weights of all five boxers is 520 kg.
What is the average of the weights of M and R?

Options

A. 102 lb
B. 104 lb
C. 100 lb
D. None of these

Answer

A