Question

A card is drawn from a deck of cards. What is the probability that it is either a spade or an ace or both

• A. $\frac{7}{13}$
• B. $\frac{10}{13}$
• C. $\frac{4}{13}$
• D. $\frac{5}{13}$

Answer 1

The correct option is C $\frac{4}{13}$

There are 4 ace including spade ace

13 spade includes its ace

So there are remaining 3 ace

Total number of favourable choice=13+3=16

Probability=16/52=4/13