Cards marked with numbers 5 to 50 are placed in a box and mixed thoroughly
Channel: Doubtnut
Date: 12/04/2020

Cards marked with numbers 5 to 50 are placed in a box and mixed thoroughly, A card is drawn from the box at random. Find the probability that the number on the card taken out is (i) prime number less than 10 (ii) a number which is a perfect square