Probability :

1. In a simultaneous toss of two coins, find the probability of 2 tails.

(1) ½ (2) ¾ (3) ¼ (4) 1/3 (5) None of these

2. In a simultaneous toss of two coins, find the probability of no tail.

(1) ¾ (2) ¼ (3)1/2 (4)1/3 (5) None of these

3. In a simultaneous toss of two coins, find the probability of exactly 1 tail.

(1) ¼ (2) 1/6 (3) ¾ (4) ½ (5) None of these

4. Three coins are tossed. Find the probability of exactly 2 heads.

(1) 3/8 (2) 1/8 (3) ½ (4) ¼ (5) None of these

5. Three coins are tossed. Find the probability of heads.

(1) ¼ (2) ½ (3) ¾ (4) 1/8 (5) None of these

6. Three coins are tossed. Find the probability of no heads.

(1) ½ (2) 3/8 (3) 1/8 (4) ¾ (5) None of these

7. Three coins are tossed. Find the probability of at least 2 heads.

(1) ½ (2) 1/8 (3) 3/6 (4) ¼ (5) None of these

8. Three coins are tossed. Find the probability of at least one head and one tail.

(1) ½ (2) 3/4 (3) 1/8 (4) 4/6 (5) None of these

9. Three coins are tossed. Find the probability of at most 2 heads.

(1) ½ (2) 3/6 (3) 7/8 (4) 3/4 (5) None of these

10. A coin is tossed three times. Find the chance that head and tail show alternately.

(1) 1/4 (2) 3/8 (3) 1/8 (4) 3/6 (5) None of these