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📐 Mathematics  ·  Probability  ·  JEE

A card is drawn from a standard 52-card deck. The probability it is a king or a heart is:

Answer: 4/13.

  • A 4/13
  • B 1/4
  • C 17/52
  • D 13/52

Correct answer: A. 4/13

Explanation: P = 4/52 + 13/52 − 1/52 = 16/52 = 4/13.

UABA and BA onlyB onlyOutside both circles: complement of (A union B)

Venn diagram of the universal set U with events A and B, showing the intersection (A and B), the parts unique to each event, and the complement region outside both.

Concept context

Chance, events, conditional probability, and Bayes theorem

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