Question

The ratio of ages of A,B, C is 5:7:12.
If age of B is more than two and half years than age of A , then what was the age of C two years before?
1) 13 years
2)10 years
3)12 years
4)15 years​

Answer 1

Answer:

10

Step-by-step explanation:

10 years because it is 12 but 2 year before 10

Answer 2

let their age be 5x 7x 12x

then according to question

7x-5x=5/2

2x=5/2

x=5/4

x=1.25

age of C=12×1.25=15