Question

two dice are rolled simultaneously.find the probablity that the sum of the two numbers appearing on the two dice is a perfect square.

Answer 1

6×6=36
bcz one dice 6 outcomes

Answer 2

When two dices are rolled, total outcome is 36.
Perfect squares=1,4,9,16,25,36,49 etc.
The only numbers which are applicable are the sets of (1,3),(3,1),(2,2),(3,6),(4,5),(5,4),(6,3).
Therefore, probability=7/36.
Hope this helped.:)