Probability test--II

The probability of solving a question by three students is  respectively. Probability of question is being solved is ____.
Two friends A and B have equal number of daughters. There are three cinema tickets which are to be distributed among the daughters of A and B. The probability that all the tickets go to daughters of A is 1/20. The number of daughters each of them have is ____.
4
5
6
3
The probability that at least one of the events A and B occurs is 3/5. If A and B occur simultaneously with probability 1/5, then  is ____.
Let A and B be two events such that  and  where  stands for complement of event A. Then events A and B are ____.
Independent but not equally likely
Mutually exclusive and independent
Equally likely and mutually exclusive
Equally likely but not independent
Let S be a set containing n elements and we select 2 subsets A and B of S at random then the probability that  and  is ____.
1/n
A bag contains 8 black and 7 white balls. Two balls are drawn at random. Then for which the probability is more ____.
Both balls are white
One ball is white and one is black
Both balls are black
All of the above are equals
Two numbers are selected randomly from the set  without replacement one by one. The probability that minimum of the two numbers is less than 4 is ____.
5 boys and 5 girls are sitting in a row randomly. The probability that boys and girls sit alternatively is ____.
5/126
1/126
4/126
6/125
Two fair dice are tossed. Let A be the event that the first die shows an even number and B be the event that the second die shows an odd number. The two event A and B are ____.
Mutually exclusive
Independent and mutually exclusive
Dependent
None of the above
If  where c stands for complement, then the events  and  are ____.
Mutually exclusive
Independent
Equally likely
None of the above
Description:

Probabilty is an important chapter, hence another test

Discussion
Kajal Sengupta
Physics 9th to 12 th grade,CIE, Edexcel, AP, IB , CBSE, ICSE
User
87 Members Recommend
880 Followers

Your Facebook Friends on WizIQ

More Tests By Author

PHYSICS : REVISION TEST ON TOPICS OF CLASS XII ---XIII
10 Questions | 1039 Attempts

PHYSICS : REVISION TEST ON TOPICS OF CLASS XI --XIII
10 Questions | 256 Attempts

PHYSICS : REVISION TEST ON TOPICS OF CLASS XI --XII
10 Questions | 389 Attempts