mathematics MCQs – Page 91

Practise multiple-choice questions from mathematics for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

1801. A bag contains five white and four red balls. Two balls are picked at random from the bag. What is the probability that they both are different color?
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A. 5/9

B. 9-Aug

C. 9-Jul

D. 9-Apr

1802. The probability of a lottery ticket being a prized ticket is 0.2. When 4 tickets are purchased, the probability of winning a prize on at least one ticket is__________?
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A. 0.5834

B. 0.5904

C. 0.4869

D. 0.6234

1803. If a card is drawn from a well shuffled pack of cards, the probability of drawing a spade or a king is__________?
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A. 19/52

B. 17/52

C. 13-May

D. 4/13
1804. From a pack of cards two cards are drawn one after the other, with replacement. The probability that the first is a red card and the second is a king is_________?
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A. 15/26

B. Mar-52

C. 1/26

D. 26-Nov

1805. The probability that a number selected at random from the first 50 natural numbers is a composite number is__________?
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A. 17/25

B. 21/25

C. 25-Apr

D. 25-Aug

1806. A box contains nine bulbs out of which 4 are defective. If four bulbs are chosen at random, find the probability that all the four bulbs are defective.
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A. 62/63

B. Jan-63

C. 125/126

D. 1/126
1807. Three 6 faced dice are thrown together. The probability that all the three show the same number on them is -.
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A. 1/216

B. 1/36

C. 12-May

D. 9-May

1808. If a number is chosen at random from the set {1, 2, 3, ., 100}, then the probability that the chosen number is a perfect cube is___________?
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A. 1/25

B. 10-Jan

C. 13-Apr

D. 2-Jan

1809. In a drawer there are 4 white socks, 3 blue socks and 5 grey socks. Two socks are picked randomly. What is the possibility that both the socks are of same color?
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A. Feb-33

B. 1

C. 19/66

D. 11-Apr

1810. A basket has 5 apples and 4 oranges. Three fruits are picked at random. The probability that at least 2 apples are picked is__________?
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A. 20-Sep

B. 25/42

C. 23-Oct

D. 41/42

1811. What is the probability that a leap year has 53 Sundays and 52 Mondays?
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A. 0

B. 1/7

C. 7-Feb

D. 7-May

1812. Three 6 faced dice are thrown together. The probability that no two dice show the same number on them is__________?
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A. Jan-36

B. 12-May

C. 12-Jul

D. 5/9
1813. What are the chances that no two boys are sitting together for a photograph if there are 5 girls and 2 boys?
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A. 7-Apr

B. 7-Feb

C. 5/7

D. 21-Jan

1814. In a party there are 5 couples. Out of them 5 people are chosen at random. Find the probability that there are at the least two couples?
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A. 16/21

B. 14-Sep

C. 5/21

D. 14-May

1815. A box contains 3 blue marbles, 4 red, 6 green marbles and 2 yellow marbles. If four marbles are picked at random, what is the probability that none is blue?
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A. 17/91

B. 65/91

C. 33/91

D. 51/91

1816. The picture cards having in total fifty two cards is equal_________________?
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A. 16

B. Non of these

C. 12

D. 24

1817. . If the occurrence of one event means that another cannot happen, then the events are _______________?
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A. Mutually Exclusive

B. Bayesian

C. Empirical

D. Independent

1818. If an event consists of only one sample point is called _____________?
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A. Space

B. Exactly

C. Elementary event

D. Appeared

1819. The probability that the sum is odd if two dice are thrown:_________________?
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A. Jun-36

B. Dec-36

C. Sep-36

D. 18/36
1820. In which approach to probability the outcomes are equally likely to occur ?
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A. Independent

B. Classical Probability

C. Relative Frequency

D. Subjective Probability