If the ratio of ages of A and B is 5: 6 and the sum of their ages is 55, what is the age of A?
A15
B25
C30
D18
A15
B25
C30
D18
Related Questions:
A 3-digit number is such that the unit digit, tens digit and hundreds digit are in the ratio 1:2:3. The sum of this number and its reversed number is 1332. Find the number