probability questions Practice Question and Answer
3 5 Q:
620112d5fd5f0218b81d0413 5 Q:
62c3f815a00ee61c312c23ee 4 Q:
631f3174671e1904db721676
Q: 9 persons are seated around a round table. What is the probability that two particular persons sit together?
400 0620112d5fd5f0218b81d0413
620112d5fd5f0218b81d0413- 1$$ {1\over 4}$$true
- 2$$ {2\over 5}$$false
- 3$$ {1\over 3}$$false
- 4$$ {3\over 4}$$false
- 5$$ {2\over 3}$$false
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Answer : 1. "$$ {1\over 4}$$"
Q: A bag contains 30 balls, numbered 1 to 30. Two balls are drawn at random. What is the probability that the balls drawn contain a number which is multiple of 4 or 6 but not a multiple of both?
338 062c3f815a00ee61c312c23ee
62c3f815a00ee61c312c23ee- 1$$ {1\over6}$$false
- 2$$ {1\over5}$$false
- 3$$ {1\over4}$$false
- 4$$ {1\over3}$$false
- 5None of thesetrue
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Answer : 5. "None of these"
Q: In a lottery, there are 7 prizes and 21 blanks. If a lottery is drawn at random, then what is the probability of getting a prize?
260 0631f3174671e1904db721676
631f3174671e1904db721676- 1$${2\over5}$$false
- 2$${3\over5}$$false
- 3$${1\over4}$$true
- 4$${1\over10}$$false
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Answer : 3. "$${1\over4}$$"
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