📐 Mathematics · Probability (Class 11) · JEE

Two cards are drawn without replacement. The probability that both are aces is:

Answer: 1/221.

Correct answer: B. 1/221

Explanation: C(4,2)/C(52,2) = 6/1326 = 1/221; equivalently (4/52)(3/51).

Concept context

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