Subject: mathqa
Question: a , b and c play a cricket match . the ratio of the runs scored by them in the match is a : b = 2 : 3 and b : c = 2 : 5 . if the total runs scored by all of them are 100 , the runs scored by a are ?
Option: 
A: 11
B: 16
C: 12
D: 13
Answer: B