**(1)** If 5 years ago, Ravi’s age was twice that of his son’s current age and Ravi is currently 40 years old, how old is his son now?

- (a) 15 years
- (b) 17 years
- (c) 20 years
- (d) 10 years

**(2)** A mother is three times as old as her daughter. In 12 years, she will be 54 years old. How old is the daughter currently?

- (a) 14 years
- (b) 16 years
- (c) 18 years
- (d) 20 years

**(3)** The ratio of Aman’s age to Bina’s age is 2:3. Ten years from now, the sum of their ages will be 70 years. What is the sum of their current ages?

- (a) 40 years
- (b) 45 years
- (c) 50 years
- (d) 55 years

**(4)** Ten years ago, the age of a father was five times the age of his son. If the father is currently 45 years old, how old is his son now?

- (a) 7 years
- (b) 9 years
- (c) 11 years
- (d) 13 years

**(5)** The sum of the present ages of a father and his son is 60 years. If the father is twice as old as his son, how old is the son?

- (a) 20 years
- (b) 25 years
- (c) 30 years
- (d) 35 years