Probability MCQ Questions for Class 12 Maths Chapter 13 with Answers

Find here the NCERT chapter-wise Multiple Choice Questions from Class 12 Mathematics book Chapter 13 Probability with Answers Pdf free download. This may assist you to understand and check your knowledge about the chapters. Students also can take a free test of the Multiple Choice Questions of Probability. Each question has four options followed by the right answer. These MCQ Questions are selected supported by the newest exam pattern as announced by CBSE.

NCERT MCQ Chapters for Class 12 Mathematics

Q1. If the event A and B are independent, then P(A∩B) is equal to

(i) P(i) + P(ii)
(ii) P(i) – P(ii)
(iii) P(i). P(ii)
(iv) P(i) | P(ii)

(iii) P(i). P(ii)

Q2. If P(i) = 0,4, P(ii) = 0.8 and P(B|A) = 0.6 then P(A∪B) is equal to

(i) 0.24
(ii) 0.3
(iii) 0.48
(iv) 0.96

(iv) 0.96

Q3. If A and B are events such that P (A/B) = P(B/A), then

(i) A ⊂ B but A ≠ B
(ii) A = B
(iii) A ∩ B = ø
(iv) P (i) = P (ii)

(iv) P (i) = P (ii)

Q4. If three events of a sample space are E, F and G, then P(E ∩ F ∩ G) is equal to

(i) P(E) P(F|E) P(G|(E ∩ F))
(ii) P(E) P(F|E) P(G|EF)
(iii) Both (i) and (ii)
(iv) None of these

(iii) Both (i) and (ii)

Q5. If A and B are two events such that P(i) = 0.2, P(ii) = 0.4 and P(A∪B) = 0.5, then value of P(A/B) is?

(i) 0.1
(ii) 0.25
(iii) 0.5
(iv) 0.08

(ii) 0.25

Q6. If A and B are independent events such that 0 < P(i) < 1 and 0 < P(ii) < 1, then which of the following is not correct?

(i) A and B are mutually exclusive
(ii) A and B’ are independent
(iii) A’ and B are independent
(iv) A’ and B’ are independent

(i) A and B are mutually exclusive

Q7. If P(i) = 0.4, P(ii) = 0.8 and P(B|A) = 0.6, then P(A ∪ B) equal to

(i) 0.24
(ii) 0.3
(iii) 0.48
(iv) 0.96

(iii) 0.48

Q8. If a fair die is rolling. The events are E={1,3,6}, F={4,6}. Then the probability P(E/F) is

(i) 1/2
(ii) 2/3
(iii) 1/6
(iv) None of these

(i) 1/2

Q9. The probability of a student getting 1,2,3 division in an examination are 1/10, 3/5 and 1/4 respectively. The probability that the student fails in the examination is

(i) 27/100
(ii) 83/100
(iii) None of these
(iv) 197/200

(i) 27/100

Q10. A speaks truth in 75% cases and B speaks truth in 80% cases. The probability that they contradict each other in a statement is

(i) 7/20
(ii) 13/20
(iii) 3/5
(iv) 2/5

(i) 7/20

Q11. A person writes 4 letters and addresses 4 envelopes . If the letters are placed in the envelopes at random, then the probability that all letters are not placed in the right envelopes, is

(i) 23/24
(ii) 15/24
(iii) 11/24
(iv) 1/4

(i) 23/24

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