# Rounding Probabilities...

A sum of money is rounded off to the nearest rupee, find the probability that the round off error is at least ten paise.

Paise is in Indian Currency and 100 paise = 1 rupee

The answer is in the form of $$\frac{a}{b}$$ , enter the answer in the form of $$a + b$$ where a and b are both co primes.