1. Tickets numbered 1 to 20 are mixed up and then a ticket is drawn at random. What is the probability that the ticket drawn bears a number which is a multiple of 3 or 55?

2. In a simultaneous throw of two coins, the probability of getting at least one head is:

3. Three unbiased coins are tossed. What is the probability of getting at most two heads?

4. In a simultaneous throw of two dice, what is the probability of getting a total of 7?

5. Two cards are drawn together from a pack of 52 cards. The probability that one is a spade and one is a heart, is:

6. A card Is drawn from a pack of 52 cards. The probability of getting a queen of club or a king of heart is ?

7. What is the probability of getting a sum 9 from two throws of a dice?

8. one card is drawn at random from a pack of 52 cards. What is the probability that the card drawn is a
face card?

9. In a single throw of a dice, what is the probability of getting a number greater than 4?

10. In a simultaneous throw of two dice, what is the probability of getting a doublet?

11. From a pack of 52 cards, two cards are drawn together at random. What is the probability of both the cards being kings?

12. Three unbiased coins are tossed. What is the probability of getting at least 2 heads?

13. The probability that a card drawn from a pack of 52 cards will be diamond or a king, is:

14. In a lottery, there are 10 prizes and 25 blanks. A lottery is drawn at random. What is the probability of
getting a prize?

15. Two dice are thrown simultaneously. What is the probability of getting two numbers whose product is even?

16. One card is drawn from a pack of cards. What is the probability that the card drawn is either a red
card or a king?

17. Tickets numbered 1 to 20 are mixed up and then a ticket is drawn at random. What is the probability that the ticket drawn bears a number which is a multiple of 3?

18. In a simultaneous throw of two die, what is the probability of getting a total of 10 or 11?

19. Two cards are drawn from a,pack of 52 cards. The probability either both are red or both are kings, is:

20. From a pack of 52 cards, one card is drawn at random. What is the probability that the card drawn is a ten or a spade?