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# Probability

1.
In a throw of coin what is the probability of getting head.

1
2
1/2
0

2.
In a throw of coin what is the probability of getting tails.

1
1/2
2
0

3.
Three unbiased coins are tossed, what is the probability of getting at least 2 tails ?

1/2
1/3
1/4
1/5

4.
In a throw of dice what is the probability of getting number greater than 5

1/2
1/4
1/8
1/6

5.
What is the probability of getting a sum 9 from two throws of dice.

1/2
1/9
1/7
1/6

6.
Two dice are thrown simultaneously. What is the probability of getting two numbers whose product is even ?

3/4
1/4
2/4
1

7.
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 blue nor green?

2/3
8/21
3/7
9/22

8.
A card is drawn from a pack of 52 cards. The probability of getting a queen of club or a king of heart is

1/12
1/14
1/26
1

9.
From a pack of 52 cards, 1 card is drawn at random. Find the probability of a face card drawn.

4/13
1/52
1/4
none of above

10.
A speaks truth in 75% of cases and B in 80% of cases. In what percentage of cases are they likely to contradict each other, narrating the same incident

30%
35%
33%
34%

11.
From a pack of 52 cards, two cards are drawn together, what is the probability that both the cards are kings

2/221
3/221
1/221
4/221

12.
Bag contain 10 back and 20 white balls, One ball is drawn at random. What is the probability that ball is white

1/3
2/3
4/3
5/3