CA Foundation P3 · Chapter 15 · Question 9 of 9
A card is drawn at random from a well-shuffled pack of 52 cards. The probability that it is a king or a heart is:
Test yourself: pick an answer
Reveal answer & explanation
Correct answer: D) 4/13
Explanation
P(King) = 4/52, P(Heart) = 13/52, P(King of hearts) = 1/52. P(King or Heart) = 4/52 + 13/52 − 1/52 = 16/52 = 4/13. Not subtracting the king of hearts gives 17/52.
More Probability MCQs
- Q2A bag contains 5 red and 7 blue balls. Two balls are drawn at random without replacement. The probability that both are red is:
- Q3If P(A) = 0.5, P(B) = 0.4 and P(A ∩ B) = 0.2, then P(A ∪ B) is:
- Q4The odds in favour of an event are 3 : 5. The probability of the event is:
- Q5If P(A) = 0.6, P(B) = 0.5 and P(A ∪ B) = 0.8, then P(A | B) is:
- Q6In a game, a player wins ₹50 with probability 0.2, wins ₹20 with probability 0.3, and loses ₹10 with probability 0.5. The expected gain…
