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Probability Test - 11

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Probability Test - 11
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  • Question 1
    4 / -1
    Three of six vertices of a regular hexagon are chosen at random. The probability that the triangle with three vertices is equilateral equals
    Solution

  • Question 2
    4 / -1
    Ram is visiting a friend. Ram knows that his friend has 2 children and 1 of them is a boy. Assuming that a child is equally likely to be boy or a girl, then the probability that the other child is a girl is
    Solution

  • Question 3
    4 / -1
    A single letter is selected at random from the word 'PROBABILITY'.The probability that is a vowel, is
  • Question 4
    4 / -1
    If three squares are chosen on a chess board, the chance that they should be in a diagonal line is
    Solution

  • Question 5
    4 / -1
    If two cards are drawn simultaneously from the same set, then probability that atleast one of them will be the ace of heart is
  • Question 6
    4 / -1
    In a class, there are 10 boys and 8 girls. When 3 students are selected at random, the probability that 2 girls and 1 boy are selected, is
    Solution

  • Question 7
    4 / -1
    An urn contains 8 red and 5 white balls. Three balls are drawn at random. Then, the probability that balls of both colours are drawn, is
  • Question 8
    4 / -1
    Two decks of playing cards are well shuffled and 26 cards are randomly distributed to a player. Then, the probability that the player gets all distinct card is
    Solution

  • Question 9
    4 / -1
    A bag contains 3 white and 5 black balls, One ball is drawn at random. Then, the probability that it is white, is
  • Question 10
    4 / -1
    A die is rolled three times. The probability of getting a larger number than the previous number each time is
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