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Probability

A test by Koustabh Dolui.

Test Questions
  1. Question
    If two dice are thrown,what is the probability that at least one of them shows a number greater than 3?
    Answers
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  2. Question
    Two cards are drawn simultaneously from a pack of cards.What is the probability at least one of them is an ace of hearts?
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  3. Question
    A bag contains 3white balls,3black balls & 2 red balls.One by one three balls are drawn out without replacement.What is the probability that the third ball is red?
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  4. Question
    A speaks the truth in 75% cases whereas B lies in 20% cases.In what percent of cases are they likely to contradict each other narrating the same incident?
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