Cards each marked with one of the numbers 4, 5, 6, ......, 20 are placed in a box and mixed thoroughly. One card is drawn at random from the box. What is the probability of getting an even number?

Cards, each marked with one of the numbers 6,7,8,…,15, are placed in a box and mixed thoroughly. One card is drawn at random from the box. What is the probability of getting a card with number less than 10?

Cards marked with numbers 5,6,7,......,30 are placed in a box and mixed thoroughly and one card is drawn at random from the box. What is the probability that the number on the card is (i) a prime number? (ii) a multiple of 3 or 5? (iii) neither divisible by 5 nor by 10?

Cards marked with numbers 3,4,5,......,50 are placed in a box and mixed thoroughly.One card is drawn at random from the box.Find the probability that number on the drawn card is dividing by 7.

Cards marked with numbers 3, 4, 5, .........,50 are placed in a box and mixed thoroughly. One card is drawn at random from the box, find the probability that the number on the drawn card is a two digit number.

Cards marked with numbers 13,14,15,......,16 are placed in a box and mixed thoroughly. One card is drawn at random from the box. Find the probability that number on the card drawn is (a) divisible by 5 (b) a number is a perfect square

9cards are numbered as 1,2,3,4,5,6,7,8.9. They are kept in a box and mixed thoroughly. One card is chosen at random.What is the probability of getting a prime number?

Cards are marked with the numbers from 2 to 151 are placed in a box and mixed thoroughly. One card is drawn at random from this box. Find the probability that the number on the card is: (i) a prime number less than 75. (ii) an odd number.

One card is drawn at random from a well-shuffled deck of 52 cards. What is the probability of getting a 6?

One card is drawn at random from a well shuffled deck of 52 cards.What is the probability of getting an ace?