Question

Two different digits are chosen at random from the set $1,2,3,4,5,6,7,8.$Then the probability that their sum is equal to $5$

• A. $\frac{5}{14}$
• B. $\frac{3}{14}$
• C. $\frac{1}{14}$
• D. $\frac{2}{14}$

Answer 1

The correct option is C $\frac{1}{14}$

Possible numbers are $(1,4)(2,3)$
$P=2{/}^8{C}_2=1/14$