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Probability Test - 57
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Probability Test - 57
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  • Question 1/10
    4 / -1
    A pack of cards contains 4 aces, 4 kings, 4 queens and 4 jacks. Two cards are drawn at random. The probability that at least one of these is an ace is
    Solutions

  • Question 2/10
    4 / -1
    A fair coin is tossed 100 times. The probability of getting tails an odd number of times is
    Solutions

  • Question 3/10
    4 / -1
    5 persons A, B, C, D and E are in queue of a shop. The probability that A and E always together is
    Solutions

  • Question 4/10
    4 / -1
    4 boys and 2 girls occupy seats in a row at random. Then the probability that the two girls occupy seats side by side is
    Solutions

  • Question 5/10
    4 / -1
    An urn contains nine balls of which three are red, four are blue and two are green. Three balls are drawn at random without replacement from the urn. The probability that the three balls have different colors is
    Solutions

  • Question 6/10
    4 / -1
    7 persons to be seated in a row. Probability that 2 particular persons to sit next to each other is
    Solutions

  • Question 7/10
    4 / -1
    Three numbers are chosen at random without replacement from {1, 2, 3, …8}. The probability that their minimum is 3, given that their maximum is 6 is
    Solutions

  • Question 8/10
    4 / -1
    If the odds against an event be 2:3, then the probability of its occurrence is
    Solutions

  • Question 9/10
    4 / -1
    If the odds in favour of an event be 3:5, then the probability of non-occurrence of the event is
    Solutions

  • Question 10/10
    4 / -1
    A card is drawn from a pack of 52 cards. A gambler bets that it is a spade or an ace. What are the odds against his winning this bet
    Solutions

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