11. 

A card is drawn from a pack of 52 cards. The probability of getting a queen of club or a king of heart is:

A.
1
13
B.
2
13
C.
1
26
D.
1
52

12. 

A bag contains 4 white, 5 red and 6 blue balls. Three balls are drawn at random from the bag. The probability that all of them are red, is:

A.
1
22
B.
3
22
C.
2
91
D.
2
77

13. 

One card is drawn at random from a pack of 52 cards. What is the probability that the card drawn is a face card (Jack, Queen and King only)?

A.
1
13
B.
3
13
C.
1
4
D.
9
52

14. 

Two cards are drawn together from a pack of 52 cards. The probability that one is a spade and one is a heart, is:

A.
3
20
B.
29
34
C.
47
100
D.
13
102

15. 

A bag contains 6 black and 8 white balls. One ball is drawn at random. What is the probability that the ball drawn is white?

A.
3
4
B.
4
7
C.
1
8
D.
3
7