Question

Ravi is older than similar by 4 years. Four years from now,the respective ratio between Ravi's age and Simaer's age wil be 9:8 .What will be the Ravi's age 15 years ago? in years

Answer 1

Let's take Simar's present age be x. Then Ravi's age is x+4.After 4 years Simars's age will be x+4.Ravi's age will become x+8. Then after taking the ratio the value of x will be 28.Then Ravi's age 15 years ago =28+4-15 i.e17