- Home
- Standard 11
- Mathematics
14.Probability
easy
From a pack of $52$ cards one card is drawn at random, the probability that it is either a king or a queen is
A
$\frac{1}{{13}}$
B
$\frac{2}{{13}}$
C
$\frac{3}{{13}}$
D
$\frac{4}{{13}}$
Solution
(b) Probability of getting king $ = \frac{4}{{52}} = \frac{1}{{13}}$
Probability of getting queen $ = \frac{4}{{52}} = \frac{1}{{13}}$
$P$ (king or queen) $ = \frac{1}{{13}} + \frac{1}{{13}} = \frac{2}{{13}}.$
Standard 11
Mathematics