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Probability MCQs with answers
Dear candidates you will find MCQ questions of 11th Class - Math | Chapter: Probability here. Learn these questions and prepare yourself for coming examinations. You can check the right answer of any question by clicking the option or by clicking view answer button.
All subjects and chapters of 11th Class are listed below. You can select any subject and chapter below to learn mcq questions of that chapter and subject.
Correct Answer - Option
(B)
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Q. If four whole numbers taken at random are multiplied together, then the chance that the last digit in the product is 1, 3, 5, 7 is
Correct Answer - Option
(C)
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Q. Three identical dice are rolled. The probability that the same number will appear on each of them is
Correct Answer - Option
(B)
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Q. There are four machines and it is known that exactly two of them are faulty. They are tested, one by one, in a random order till both the faulty machines are identified. Then the probability that only two tests are needed is
Correct Answer - Option
(B)
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Q. Two unbiased dice are thrown. The probability that neither a doublet nor a total of 10 will appear is
Correct Answer - Option
(D)
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Q. Two dice are thrown the events A, B, C are as follows A: Getting an odd number on the first die. B: Getting a total of 7 on the two dice. C: Getting a total of greater than or equal to 8 on the two dice. Then AUB is equal to
Correct Answer - Option
(D)
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Q. Two numbers are chosen from {1, 2, 3, 4, 5, 6} one after another without replacement. Find the probability that the smaller of the two is less than 4.
Correct Answer - Option
(A)
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Q. The probability that when a hand of 7 cards is drawn from a well-shuffled deck of 52 cards, it contains 3 Kings is
Correct Answer - Option
(C)
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Q. A certain company sells tractors which fail at a rate of 1 out of 1000. If 500 tractors are purchased from this company, what is the probability of 2 of them failing within first year
Correct Answer - Option
(C)
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Q. The probability that in a random arrangement of the letters of the word INSTITUTION the three T are together is
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(D)
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Q. Three houses are available in a locality. Three persons apply for the houses. Each applies for one house without consulting others. The probability that all the three apply for the same house is
Correct Answer - Option
(B)
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Q. A bag contains 5 brown and 4 white socks . A man pulls out two socks. The probability that both the socks are of the same colour is
Correct Answer - Option
(D)
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Q. When a coin is tossed 8 times getting a head is a success. Then the probability that at least 2 heads will occur is
Correct Answer - Option
(C)
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Q. A couple has two children. The probability that both children are females if it is known that the elder child is a female is
Correct Answer - Option
(C)
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Q. A random variable X has poison distribution with mean 2. Then, P (X > 1.5) equals
Correct Answer - Option
(A)
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Q. Let A and B are two mutually exclusive events and if P(A) = 0.5 and P(B ̅) = 0.6 then P(A∪B) is
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(D)
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Q. The probability of getting 53 Sundays in a leap year is
Correct Answer - Option
(B)
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Q. The probability of getting the number 6 at least once in a regular die if it can roll it 6 times?
Correct Answer - Option
(A)
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Q. On his vacation, Rahul visits four cities (A, B, C, and D) in a random order. The probability that he visits A first and B last is
Correct Answer - Option
(D)
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