Present age of Bob is equal to Abby's age 8 years ago, Four years hence, the respective ratio between Bob's age and Abby's age will be 4:5 at that time. What is Bob's present age
- 24 years
- 32 years
- 40 years
- 20 years
- 28 years
- Explanation:
Let present age of Bob = x years
Abby's age 8 years ago = x years
Abby's present age = (x+8) years
According to question,
x+4/x+8+4 = 4/5
⇒5x+20 = 4x+48
⇒x= 28 years
