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  • Question
  • One card is drawn at random from a pack of 52 cards. What is the probability that the card drawn is either a red card or a king?


  • Options
  • A. 6/13
  • B. 1/2
  • C. 7/13
  • D. 27/52

  • Correct Answer
  • 7/13 

    Explanation

    Clearly n(S) = 52. There are 26 red cards (including 2 kings ) and there are 2 more kings.
    Let (E) be the event of getting either a red card or a king .
    Then, n(E) = 28
    ? P(E) = n(E) / n(S) = 28/52 = 7/13


  • Probability problems


    Search Results


    • 1. 
      One card is drawn at random from a pack of 52 cards. What is the probability that the card drawn is a face card?

    • Options
    • A. 4/13
    • B. 1/4
    • C. 9/52
    • D. 1/13
    • Discuss
    • 2. 
      What is the probability that an ordinary year has 53 Sundays?

    • Options
    • A. 53/365
    • B. 1/7
    • C. 2/7
    • D. 48/53
    • Discuss
    • 3. 
      In a simultaneous throw of two dice find the probability of getting a total of 8 .

    • Options
    • A. 2/9
    • B. 5/36
    • C. 1/6
    • D. Data Inadequate
    • Discuss
    • 4. 
      A coin is successively tossed two times. Find the probability of getting? (1) exactly one head (2)at least one head

    • Options
    • A. 1/2 , 3/4
    • B. 2/3, 1/4
    • C. 1/4, 4/5
    • D. 1/2, 2/3
    • Discuss
    • 5. 
      The probability that a teacher will give one surprise test during any class meeting in a week is 1/5. If a student is absent twice. What is the probability that he will miss at least one test?

    • Options
    • A. 4/15
    • B. 1/15
    • C. 91/25
    • D. 16/125
    • Discuss
    • 6. 
      What if the probability of getting a king or a queen in a single drawn from a pack of 52 cards?

    • Options
    • A. 1/26
    • B. 1/13
    • C. 2/13
    • D. None of these
    • Discuss
    • 7. 
      A card is drawn from a pack of 52 cards. A card is drawn at random. What is the probability that it is neither a heart nor a king?

    • Options
    • A. 4/13
    • B. 9/13
    • C. 2/13
    • D. 4/13
    • Discuss
    • 8. 
      Seven white balls and three black balls are randomly placed in a row, The probability that no two black balls are placed adjacently equals?

    • Options
    • A. 1/2
    • B. 7/15
    • C. 2/15
    • D. 1/3
    • Discuss
    • 9. 
      The chance of throwing a total of 3 or 5 or 11 with two dics is?

    • Options
    • A. 5/36
    • B. 1/9
    • C. 2/9
    • D. 19/36
    • Discuss
    • 10. 
      The probability that a man lives after 10 years is 1/4 and that his wife is alive after 10 years is 1/3. The probability that neither of them is alive after 10 years is?

    • Options
    • A. 1/2
    • B. 1/12
    • C. 7/12
    • D. 3/4
    • Discuss


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