A box contains cards numbered 3, 5, 7, 9, ....., 35, 37. A card is drawn at random from the box. Find the probability that the number on the drawn card is a prime number.

A box contains cards numbered from 13, 14, 15, ....., 60. A card is drawn at random from the box. Find the probability that the number on the drawn card is a prime number

A box contains cards numbered 3,5,7,9,…,35,37. A card is drawn at random from the box. Find the probability that the number on the card is a prime number.

A box contains cards numbered from 13, 14, 15, ....., 60. A card is drawn at random from the box. Find the probability that the number on the drawn card is divisible by 2 or 3

A box contains cards numbered from 11 to 123. A card is drawn at random from the box. Find the probability that the number on the drawn card is: A square number

A box contains cards numbered from 11 to 123. A card is drawn at random from the box. Find the probability that the number on the drawn card is: a multiple of 7.

A box contains cards numbered from 1 to 20. A card is drawn at random from the box. Find the probability that number on the drawn card is (i) a prime number (ii) a composite number (iii) a number divisible by 3

In a bag contains 20 cards numbered from 1 to 20. A card is drawn at random from the box. Find the probability that the number on the drawn card is (i) divisibly by 2or 3(ii) a prime number

A box contains 25 cards numbered from 1 to 25. A card is drawn at random from the bag. Find the probability that the number on the drawn card is (i) divisible by 2 or 3, (ii) a prime number.

Cards numbered 1 to 30 are put in a bag. A card is drawn at random from the bag. Find the probability that the number on the drawn card is (i) not divisible by 3, (ii) a prime number greater that 7, (iii) not a perfect square number.

A bag contains cards numbered from 1 to 49. A card is drawn from the bag at random,after mixing the card thoroughly.Find the probability that the number on the drawn card is (i) an odd number (ii) a multiple of 5(iii) a perfect square (iv) an even prime number.