Question : The ratio of Mohit's and Sunil's present age is 4 : 5. Mohil is 7 years younger than Sunil. What will be the ratio of Mohit's age to Sunil's age after 7 years?
Option 1: 7 : 8
Option 2: 5 : 6
Option 3: 6 : 7
Option 4: 8 : 9
Correct Answer: 5 : 6
Solution :
Let Mohit's present age as
Given that Mohit is 7 years younger than Sunil.
So, Mohit's present age is 4
After 7 years, Mohit's age will be 28 + 7 = 35 years and Sunil's age will be 35 + 7 = 42 years.
Hence, the correct answer is 5 : 6.