There are hundred cards in a bag on which numbers from 1 to 100 are written. A card is taken out from the bag at random. Find the probability that the number on the selected card.
is a prime number greater than 80.

There are 100 cards in a bag on which numbers from 1 to 100 are written. A card is taken out form the bag at random. Find the probability that the number on the selected card is divisible by 25

There are hundred cards in a bag on which numbers from 1 to 100 are written. A card is taken out from the bag at random. Find the probability that the number on the selected card. It is divisible by 9 and is a perfect square

There are 30 cards,of same size,in a bag on which numbers 1 to 30 are written.One card is taken out of the bag at random.Find the probability that the number on the selected card is not divisible by 3.

There are cards in a bag numbered from 7 to 100 . A card is taken out from the bag at random . Find the probability that the number on the selecteed card : Is an even perfect square .

A card is taken out of a pack of 52 cards numbered 2 to 53. The probability that the number on the card is a prime number less than 20 is

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 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.

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

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 taken out card is (i) a prime number less than 10 (ii) a number which is a perfect square.