CBSE Class 10 Mathematics Probability Assignment Set 09

Question. A Coin is tossed once. The Probability of head is
(a) \( \frac{1}{2} \)
(b) \( \frac{1}{3} \)
(c) \( \frac{1}{4} \)
(d) \( \frac{1}{5} \)
Answer: (a) \( \frac{1}{2} \)

Question. A Coin is tossed two times, the probability of 1 head is
(a) \( \frac{1}{4} \)
(b) \( \frac{1}{2} \)
(c) \( \frac{1}{3} \)
(d) \( \frac{1}{5} \)
Answer: (b) \( \frac{1}{2} \)

Question. A Coin is tossed three times. the number of outcomes are
(a) 4
(b) 6
(c) 8
(d) 10
Answer: (c) 8

Question. A dice is tossed once. The number of outcomes are
(a) 2
(b) 3
(c) 4
(d) 6
Answer: (d) 6

Question. A dice is tossed two times, the probability of doublet is
(a) \( \frac{1}{6} \)
(b) \( \frac{2}{6} \)
(c) \( \frac{3}{6} \)
(d) \( \frac{4}{6} \)
Answer: (a) \( \frac{1}{6} \)

Question. If the probability of an event A is \( \frac{5}{13} \), the probability of not A is
(a) \( \frac{6}{13} \)
(b) \( \frac{8}{13} \)
(c) \( \frac{10}{13} \)
(d) \( \frac{12}{13} \)
Answer: (b) \( \frac{8}{13} \)

Question. The probability of an event is always
(a) Equal to 1
(b) greater than 1
(c) less than 1
(d) None of the options
Answer: (c) less than 1

Question. In a pack of Cards, the probability of black Card is
(a) \( \frac{1}{3} \)
(b) \( \frac{1}{4} \)
(c) \( \frac{1}{5} \)
(d) \( \frac{1}{2} \)
Answer: (d) \( \frac{1}{2} \)

Question. A Box Contains 5 Red and 6 White balls. The probability of Red ball is
(a) \( \frac{5}{11} \)
(b) \( \frac{6}{11} \)
(c) \( \frac{7}{11} \)
(d) \( \frac{8}{11} \)
Answer: (a) \( \frac{5}{11} \)

Question. Probability of happening plus Probability of not happening is
(a) 0
(b) 1
(c) 2
(d) 3
Answer: (b) 1