Two dice are roll

When we rolled two dice we have following outcomes.

(1, 1) (1, 2) (1, 3) (1, 4) (1, 5) (1, 6)

(2, 1) (2, 2) (2, 3) (2, 4) (2, 5) (2, 6)

(3, 1) (3, 2) (3, 3) (3, 4) (3, 5) (3, 6)

(4, 1) (4, 2) (4, 3) (4, 4) (4, 5) (4, 6)

(5, 1) (5, 2) (5, 3) (5, 4) (5, 5) (5, 6)

(6, 1) (6, 2) (6, 3) (6, 4) (6, 5) (6, 6)

The number whose product is 12 are (2, 6), (3, 4), (4, 3),

(6, 2)

Probability of numbers whose product is 12

OR

In a discs of number 1 to 80, the following are perfect

square number disc.

1, 4, 9, 16, 25, 36, 49, 64

Probability of perfect square numbers =