i) Even numbers in outcomes = 2, 4, 6 = 3
∴ Required probability = 4/6 = 2/3
ii) Prime numbers = 1, 2, 3, 5 = 4
∴ Required probability = 4/6 = 2/3
iii) Getting ‘7’ on top = 0
∴ This is impossible event.
iv) Sum of the factors of that number is twice to that numbers = 6
∴ Required probability = 1/6