Probability
Probability: Probability Formulas, Probability Meaning, Conditional Probability Definition, Probability Problems, Probability Questions with Solved Exercises
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Online Aptitude Questions with Answers on Probability
Q21. **If four coins are tossed, the probability of getting two heads and two tails is -.**
- 3/8
- 6/11
- 2/5
- 4/5
- 5/11
Solution : 3/8
Q22. **If a card is drawn from a well shuffled pack of cards, the probability of drawing a spade or a king is -.**
- 19/52
- 17/52
- 5/13
- 4/13
- 9/26
Solution : 4/13
Q23. **If six persons sit in a row, then the probability that three particular persons are always together is -.**
- 1/20
- 3/10
- 1/5
- 4/5
- 2/5
Solution : 1/5
Q24. **A bag contains 7 green and 8 white balls. If two balls are drawn simultaneously, the probability that both are of the same colour is -.**
- 8/15
- 2/5
- 3/5
- 11/15
- 7/15
Solution : 7/15
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Q25. **A basket has 5 apples and 4 oranges. Three fruits are picked at random. The probability that at least 2 apples are picked is -.**
- 25/42
- 9/20
- 10/23
- 41/42
- 1/42
Solution : 25/42
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