Answer
$\frac{2}{36}$ or $\frac{1}{18}$
Work Step by Step
As 2 dices are rolled, the possible pairs that add upto a 3 are -
(1 & 2), (2 & 1). Thus, as there are total 36 possible outcomes, the probability of getting a sum of '3' when 2 dices are rolled is
$\frac{2}{36}$ or $\frac{1}{18}$
