The sum of the reciprocals of Rehman’s ages, (in years) years ago and years from now is . Find his present age.
Step 1: Let us assume, The present age of Rahman is years.
Three years ago, Rehman’s age was years.
Five years after, his age will be years.
Given that,
The sum of the reciprocals of Rehman’s ages years ago and after years is equal to .
Step 2: Simplify the equation
As we know, age cannot be negative.
Hence, Rahman’s present age is years.