Q21. Present ages of X and Y are in the ratio 5 : 6 respectively. Seven years hence this ratio will become 6 : 7 respectively. What is X’s present age in years ?
A. 42
B. 53
C. 49
D. 35
Q22. The total age of A and B is 12 years more than the total age of B and C. C is how many years younger than A ?
A. 12
B. 46
C. 38
D. 24
Q23. The age of father 10 years ago was thrice the age of his son. Ten years hence, father’s age will be twice that of his son. The ratio of their present ages is :
A. 9 : 2
B. 7 : 3
C. 5 : 2
D. 13 : 4
Q24. Sachin is younger than Rahul by 4 years. If their ages are in the respective ratio of 7 : 9, how old is Sachin ?
A. 18 years
B. 28 years
C. 16 years
D. 24.5 years
