In a box there are 8 red, 7 blue and 6 green balls. One ball is picked up randomly. What is the probability that it is neither red not green?
1/3
3/4
7/19
8/21
A card drawn from a pack of 52 cards. The probability of getting a queen of club or a king of heart is.
1/13
2/13
1/26
1/52
If a die is thrown, the probability of getting an even number is.
2
1/2
1/6
The number of outcomes when a die and a tetrahedron are thrown simultaneously is.
12
24
36
48
Two unbiased coins are tossed. What is the probability of getting at most two heads.
1/4
3/8
7/8
One card is drawn at random from a pack of 52 cards. What is the probability that the card drawn is a face card.
3/13
9/52
If ten coins are tossed, then the number of possible outcomes is.
210
102
20
None of these
Number of outcomes when n coins are tossed is.
n2
2n
n
How many face cards are there in a pack of cards?
10
16
18
