Probability Questions and Answers

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Q11
A card is drawn from a pack of 52 cards. The probability of getting a queen of club or a king of heart is:
  • A 1/13
  • B 2/13
  • C 1/26
  • D 1/52
Answer: Option C
Q12
A bag contains 4 white, 5 red and 6 blue balls. Three balls are drawn at random from the bag. The probability that all of them are red, is:
  • A 1/22
  • B 3/22
  • C 2/91
  • D 2/77
Answer: Option C
Q13
Two cards are drawn together from a pack of 52 cards. The probability that one is a spade and one is a heart, is:
  • A 3/20
  • B 29/34
  • C 47/100
  • D 13/102
Answer: Option D
Q14
One card is drawn at random from a pack of 52 cards. What is the probability that the card drawn is a face card (Jack, Queen and King only)?
  • A 1/13
  • B 3/13
  • C 1/4
  • D 9/52
Answer: Option B
Q15
A bag contains 6 black and 8 white balls. One ball is drawn at random. What is the probability that the ball drawn is white?
  • A 3/4
  • B 4/7
  • C 1/8
  • D 3/7
Answer: Option B
Q16
1.  3, 5, 11, 14, 17, 21
  • A 21
  • B 17
  • C 14
  • D 3
Answer: Option C
Q17
What is the probability of getting a head when a fair coin is tossed?
  • A 0
  • B 1
  • C 1/2
  • D 1/3
Answer: Option C
Explanation: A fair coin has two outcomes-head or tail. So probability = 1/2.
Q18
What is the probability of getting an even number on a fair die?
  • A 1/2
  • B 1/3
  • C 2/3
  • D 1/6
Answer: Option A
Explanation: Even numbers are 3 out of 6 -> 3/6 = 1/2.
Q19
A die is rolled. Probability of getting a number greater than 4 is
  • A 1/6
  • B 2/6
  • C 3/6
  • D 4/6
Answer: Option B
Explanation: Numbers >4 are 5 and 6 -> 2 outcomes -> 2/6 = 1/3.
Q20
Probability of getting an ace from a deck of 52 cards
  • A 1/26
  • B 1/13
  • C 1/52
  • D 4/13
Answer: Option B
Explanation: 4 aces in 52 cards -> 4/52 = 1/13.
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