Question

A die is rolled twice find the probabilty of getting sum 7 atleast once

Answer 1

(Sum of 7) = {4+3, 3+4, 6+1, 1+6, 5+2, 2+5} = 6

(At Least one 5) = {1+5, 2+5, 3+5, 4+5, 6+5, 5+1, 5+3, 5+4, 5+5, 5+6} = 10

so the answer will be 16/36 =
4/9