The age of B is three times that of A and double than that of C. Which of the following is correct?
1
If the ages of B and C is reduced by 2 years and 1 year respectively, the ratio of ages of B and C will be 2 : 1
2
If the ages of A and C is reduced by 2 years and 3 years respectively, the ratio of ages of A and C will be 2 : 3
3
If the ages of A and B is reduced by 2 years and 6 years respectively, the ratio of ages of A and B will be 1 : 3
4
All of the above.