A card is drawn at random from a well shuffled deck of playing cards. Find the probability that the card drawn is

(i) a card of spades or an ace.
(ii)    a red king.
(iii)    neither a king nor a queen.
(iv)    either a king or a queen.

A bag contains 4 white balls, 6 red balls, 7 black balls and 3 blue balls. One ball is drawn at random from the bag. Find the probability that the ball drawn is:

(i)    white
(ii)    not black
(iii)    neither white nor black
(iv)    red or white

A box contains 19 balls bearing numbers 1,2,3,.........., 19. A ball is drawn at random from the box.

Find the probability that the number on the ball is
(i)    a prime number
(ii)    divisible by 3 or 5.
(iii)    neither divisible by 5 nor by 10
(iv)    an even number.

316. From a pack of 52 playing cards, jacks, queens, kings and aces of red colour are removed. From the remaining, a card is drawn at random. Find the probability that the card drawn is (i) black queen, (ii) a red card, (iii) a blackjack, (iv) a picture card.

Cards marded with numbers 13,14,15..., 60 are placed in a box and mixed throughly one card is drawn at random from the box. Find the probability that number on the drawn card is

(i) divisible by 5
(ii) a number which is a perfect square

A die is thrown once. Find the probability of getting

(a)    A prime number
(b)    A number divisble by 2

A die is thrown once. Find the probability of getting..
(a)    An even prime number
(b)    A multiple of 3