### Proability

In a box, there are 8 red, 7 blue and 6 green valls. One ball is picked up randomly, what is the proability that it is neither red or green **[2014]**

1/3

1/4

7/9

8/21

If you roll two dices, what is the proability of sum total of 5?**[2011]**

1/6

1/9

1/18

1/36

A jar contains 4 blue balls and 40 red balls. Which of the following is % of blue balls**[2010]**

9

10

11

12

### Other Questions

Two dice are thrown simultaneously. The probability of obtaining a total score of seven is

1/6

1/3

2/7

5/6

Two dice are tossed. The probability that the total score is a prime number is:

1/6

5/12

1/2

7/9

The probability that a man can hit a target is 3/4. He tries 5 times. The proability that he will hit the target at least three times is.

291/364

371/461

471/502

459/512

A dice is thrown once. Find the probability that 3 or greater that 3 turns up.

1/2

1/3

1/4

2/3

The probability of getting sum more than 7 when a pair of dice are thrown is

7/36

5/12

7/12

12/18

The chance of winning the race of the horse A is 1/5 and that of horse B is 1/6. What is the Probability that the race will be won by A or B?

1/30

1/3

11/30

1/15

What is the probability of two person being born on the same day.

1/49

1/365

1/7

2/7

In tossing three coins at a time, what is the probability of getting at most one hand?

3/8

7/8

1/2

1/8

Two balls are selected from box containing 2 blue and 7 red balls. What is the probability that at least one ball is blue?

2/9

7/9

5/12

7/12

Suppose six coins are tossed simultaneously. Then the probability of getting at least one tail is

71/72

53/54

63/64

1/12

Six dice are thrown. The proability that different number will turn up is

129/1296

1/54

5/324

5/54