Quantitative Aptitude - Probability Questions with Answers teach methods to calculate likelihood of events. Probability Aptitude is widely asked in SSC, banking, and placement exams to improve analytical and logical reasoning skills.
Probability
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21. A coin is tossed twice. Probability of getting exactly one head
Answer: Option
A
Hints: Favourable outcomes: HT, TH -> 2 out of 4 -> 1/2.
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22. What is the probability of drawing a red card from a deck?
Answer: Option
B
Hints: 26 red cards out of 52 -> 1/2.
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23. A die is rolled. Probability of getting 1 or 6
Answer: Option
B
Hints: Two favourable outcomes -> 2/6 = 1/3.
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24. Probability of selecting an odd number from 1 to 10
Answer: Option
A
Hints: Odd numbers = 5 out of 10 -> 1/2.
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25. Picking a day of the week at random, probability of picking Sunday
Answer: Option
B
Hints: 1 favourable out of 7 days -> 1/7.
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26. What is the probability of choosing a prime number from 1 to 6?
Answer: Option
A
Hints: Primes: 2, 3, 5 -> 3/6 = 1/2.
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27. If two coins are tossed, probability of getting two heads
Answer: Option
A
Hints: HH is 1 out of 4 possible outcomes.
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28. Probability of drawing a king or queen from a deck
Answer: Option
C
Hints: Kings 4 + Queens 4 = 8 -> 8/52 = 2/13.
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29. If a die is rolled, probability of getting a number less than 3
Answer: Option
A
Hints: Numbers <3 are 1 and 2 -> 2/6 = 1/3.
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30. A jar has 3 red and 2 blue balls. Probability of drawing a blue ball
Answer: Option
B
Hints: Blue balls = 2 out of 5.
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