Question

From the digits $36,37,\dots 50,$ a digit is selected at random. Choosing an even number has a probability

• A.
  $\frac{7}{15}$
• B.
  $\frac{8}{15}$
• C.
  $\frac{6}{15}$
• D.
  $\frac{9}{14}$

Answer 1

The correct option is B

$\frac{8}{15}$
Given digits: $36,37,\dots 50.$
Total numbers of digits: $15$
even digits: $36,68,40,42,44,46,48,50$
Number of even digits $=8$

So,
probability of selecting an even digit
$=$ total number of even digits / total number of given digits
$=\frac{8}{15}$