Subject: mathqa
Question: weights of two friends ram and shyam are in the ratio 3 : 5 . if ram ' s weight is increased by 10 % and total weight of ram and shyam become 82.8 kg , with an increases of 15 % . by what percent did the weight of shyam has to be increased ?
Option: 
A: 16 %
B: 10 %
C: 18 %
D: none
Answer: C