Q109 / 180 · COMEDK 2014 · Mathematics

Consider an experiment $E$ in which a box contains 10 identical tickets numbered 1 to 10 and 2 tickets are drawn at random from the box. What is the probability that both the tickets have even number on them?

A
$\frac{4}{9}$
B
$\frac{1}{3}$
Correct answer
C
$\frac{2}{9}$
D
$\frac{1}{9}$

Solution

Required probability $=\frac{5}{10} \times \frac{4}{9}=\frac{2}{9}$

Hence, the correct answer is option: 'C'.

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