A box contains 90 discs which are numbered from 1 to 90. If one disc 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
Answers
Answered by
2
Answer:
Probability of getting a two digit number = 81/90
Probability of getting a perfect square number = 9/90 = 1/10
Probability of getting a number divisible by 5 = 18/90 = 1/5
Similar questions