CBSE Class 11 Mathematics Chapter 16 Probability Multiple Choice Questions with Answers. MCQ Class 11 Mathematics Probability with Answers was Prepared Based on Latest Exam Pattern. Students can solve NCERT Class 11 Mathematics Probability MCQs with Answers to know their preparation level.
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MCQ Class 11 Mathematics Probability with Answers - Set - 4
Question 1:
If a letter is chosen at random from the letter of English alphabet, then the probability that it is a letter of the word ‘DELHI’ is
(a) 1/5
(b) 1/26
(c) 5/26
(d) 21/26
Correct Answer – (C)
Question 2 :
A fair die is thrown once. The probability of getting a composite number less than 5 is
(a) 1/3
(b) 1/6
(c) 2/3
(d) 0
Correct Answer – (C)
Question 3 :
Let A, B, C be three events such that P (A) = 0.3
P(B) = 0.4, P(C) = 0.8, P(A∩ B) = 0.08, P(A ∩ C) =
0.28, P(A ∩ B∩C) = 0.09. If P(AÈBÈC) ³ 0.75, then
(a) 0.23 ≤ P(B∩C) ≤ 0.48
(b) 0.45 ≤ P(B∩C) ≤ 0.75
(c) 0.48 ≤ P(B∩C) ≤ 0.75
(d) none of these.
Correct Answer – (A)
Question 4 :
If A and B are two events, the probability that at most one of these events occurs is :
(a) P(A’) + P(B’) – P(A’∩B’)
(b) P(A’) + P(B’) + P(AÈB) -1
(c) P(A∩B’) + P(A’∩B) + P(A’∩B’)
(d) All above are correct.
Correct Answer – (D)
Question 5 :
If A and B are two events such that P(A) = 0.54, P(B) = 0.69 and P(A ∩ B) = 0.35, then P(A ∩ B’) is :
(a) 0.88
(b) 0.12
(c) 0.19
(d) 0.34
Correct Answer – (C)
MCQ Class 11 Mathematics Probability with Answers
Question 6 :
A and B toss a fair coin each simultaneously 50 times. The probability that both of them will not get tail at the same toss is
(a) (3/4)50
(b) (2/7)50
(c) (1/8)50
(d) (7/8)50
Correct Answer – (A)
Question 7 :
If two squares are chosen at random on a chess board, the probability that they have a side in common is
(a) 9 /1
(b) 7/2
(c) 18/1
(d) 9/2
Correct Answer – (C)
Question 8 :
A, B are two events and A denotes the complements of A. Consider the following statements
1. P(AÈB) ≤ P(B) + P(A)
2. P(A) + P(AÈB) ≤1+ P(B)
Which of the above statements is/are correct ?
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
Correct Answer – (C)
Question 9 :
Two events A and B have probabilities 0.25 and 0.50 respectively. The probability that both A and B occur is 0.14. Then the probability that neither A nor B occurs is :
(a) 0.39
(b) 0.25
(c) 0.11
(d) None of these
Correct Answer – (A)
Question 10 :
Two dice are rolled simultaneously. Find the probability that they show different faces.
(a) 6 /5
(b) 1/6
(c) 1/3
(d) 5/6
Correct Answer – (D)
- NCERT Solutions Class 11 Mathematics Probability with Answers : Exercise 16.1
- NCERT Solutions Class 11 Mathematics Probability with Answers : Exercise 16.2
- NCERT Solutions Class 11 Mathematics Probability with Answers : Exercise 16.3
- NCERT Solutions Class 11 Mathematics Probability with Answers : Exercise 16 Misc
- NCERT Solutions Class 11 Mathematics Probability with Answers : Exercise 16.1
- NCERT Solutions Class 11 Mathematics Probability with Answers : Exercise 16.2
- NCERT Solutions Class 11 Mathematics Probability with Answers : Exercise 16.3
- NCERT Solutions Class 11 Mathematics Probability with Answers : Exercise 16 Misc
- NCERT Solutions Class 11 Mathematics Textbook download
