Question 1
A number p is chosen at random from the numbers [-3, 3]. What is the probability that value of p < 2
3/7
5/7
4/7
1/7
Question 2
A box contains 6 black, 5 brown and 2 yellow balls. If 2 balls are selected at random, what is the probability that both are black?
4/23
5/26
7/26
8/15
Question 3
4 dices are thrown simultaneously. What is the probability that all the dices show the same number.
1/216
1/36
4/216
4/36
Question 4
An urn contains 12 red and 18 white marbles. Two marbles are drawn without replacement one after another. What is the probability that first is red and second is white?
16/145
9/32
36/145
5/32
Question 5
What is the probability that a number selected from numbers [1,30] is prime number?
1/3
2/7
5/9
5/30
Question 6
A bag contains 21 balls numbered 1 to 21. two balls are drawn one after another without replacement. Find the probability that both balls are even numbered.
3/14
2/3
6/9
1/8
Question 7
A 5 digit number is formed by using digits 1, 2, 3, 4 and 5 with no two digits same. What is the probability that the formed number is divisible by 4?
1/5
4/5
3/5
1/4
Question 8
A box having 5 black and 3 brown flags. Another box having 4 black and 6 brown flags. If one flag is drawn from each box. Find the probability that both flags are of different color.
21/40
10/19
3/8
3/10
Question 9
Ram speaks truth in 3/4 of cases and Shyam in 4/5 of cases. In what percent of cases while narrating the same event are they likely to contradict each other?
35%
25%
20%
40%
Question 10
What is the probability of getting a sum of 9 from two throws of a dice?
1/3
1/6
1/9
1/12
There are 18 questions to complete.