The age of three members of a family P, Q, and R are in the ratio of 12 : 15 : 25. Sum of their ages is 416. Find the ratio between the difference of age of Q and P and the difference of R and Q.
1
3 : 10
2
10 : 3
3
4 : 5
4
5 : 4
5
None of these
The age of three members of a family P, Q, and R are in the ratio of 12 : 15 : 25. Sum of their ages is 416. Find the ratio between the difference of age of Q and P and the difference of R and Q.