A box contains 90 discs which are numbered from 1 to 90 If one disc is drawn at random from the box ...

Question

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 a perfect square number

Accepted Answer

The total numbers of discs 50 PE Number of favourable outcomes Total number of outcomes Total number of perfect square numbers 9 1 4 9 16 25 36 49 64 and 81 P getting a perfect square number 990 110 01

NCERT Solutions Class 10 Mathematics Solutions for Probability - Exercise 15.1 in Chapter 15 - Probability