Question

a box contains 90discs which are numbered from 1to 90if one discs is drawn from the box find the probability of that it bears(i)a two digit number(ii) a perfect square number (iii)a number divisible by 5​

Answer 1

Answer:

Step-by-step explanation:

1. P=81/90

=9/10

2. P= 9/90

=1/10

3.P= 18/90

=2/15