19/08/2026
đ¯ Class 10 Probability | 10 à 1 Mark Questions
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1. A die is thrown once. The probability of getting a number greater than 4 is:
(a) 1/6
(b) 1/3
(c) 1/2
(d) 2/3
2. Two coins are tossed simultaneously. The probability of getting exactly one head is:
(a) 1/4
(b) 1/2
(c) 3/4
(d) 1
3. A card is drawn at random from a well-shuffled deck of 52 cards. The probability of getting a king is:
(a) 1/52
(b) 1/26
(c) 1/13
(d) 4/13
4. If P(E) = 0.35, then P(not E) is:
(a) 0.35
(b) 0.55
(c) 0.65
(d) 1.35
5. A die is thrown once. The probability of obtaining a prime number is:
(a) 1/3
(b) 1/2
(c) 2/3
(d) 5/6
6. Which of the following cannot be the probability of an event?
(a) 0
(b) 1/4
(c) 1
(d) 5/4
7. A bag contains 5 red, 3 blue and 2 green balls. One ball is drawn at random. The probability of getting a blue ball is:
(a) 3/10
(b) 1/3
(c) 2/5
(d) 1/2
8. If P(E) = P(not E), then P(E) is:
(a) 0
(b) 1/4
(c) 1/2
(d) 1
9. One letter is selected randomly from the word PROBABILITY. The probability of selecting the letter B is:
(a) 1/11
(b) 2/11
(c) 1/10
(d) 2/10
10. A number is selected randomly from 1 to 20. The probability that it is divisible by 3 is:
(a) 1/5
(b) 3/20
(c) 1/4
(d) 7/20
