Q. A pack of cards contains 4 aces, 4 kings, 4 queens and 4 jacks. Two cards are drawn at random from this pack without replacement. The probability that at least one of them will be an ace, is
A) $\frac{1}{5}$
B) $\frac{9}{20}$
C) $\frac{1}{6}$
D) $\frac{1}{9}$
Explanation
The correct answer is Option B: $\frac{9}{20}$.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.