In a single throw of a die, find the probability that the number :

(i) will be an even number

(ii) will be an odd number

(iii) will not be an even number.

In a single throw of a die, find the probability of getting :

(i) 8

(ii) a number greater than 8

(iii) a number less than 8

A bag contains six identical black balls. A boy withdraws one ball from the bag without looking into it. What is the probability that he takes out :

(i) a white ball ?

(ii) a black ball ?

Three identical coins are tossed together. What is the probability of obtaining :

(i) all heads ?

(ii) exactly two heads ?

(iii) exactly one head ?

(iv) no head ?