## A box contains 90 discs which are numbered from 1 to 90. If one disc is drawn at random from the box, find the probability that it bears

## (i) a two-digit number

## (ii) a perfect square number.

## (iii) a number divisible by 5.

**
Answer
**

This question is exactly same as

Ex 15.1, 18 of Chapter 12 Class 10in the NCERT Book.Please check the answer and video here