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📐 Mathematics  ·  Probability (Class 11)  ·  JEE

When a die is rolled once, the probability of getting an even number is:

Answer: 1/2.

  • A 2/3
  • B 1/6
  • C 1/3
  • D 1/2

Correct answer: D. 1/2

Explanation: The even outcomes 2, 4 and 6 give 3 favourable results out of 6, so P = 3/6 = 1/2.

Concept context

Random experiments, sample space, events, and the axiomatic approach to probability

Read the full Probability (Class 11) notes →