5
(Ans. 3/10, 13/30)
There are 100 students in a class. 50 pass in Mathematics, 40 in Physics and
10 in both. If a student is selected at random what is the probability that he
has passed in (i) at least one subject (ii) in one subject only (iii) in both the
subjects (iv) in none of the subjects (v) only in Physics?
(Ans. .8, .7, .1,.1,.3)
Two dice are thrown simultaneously Find the probability of getting a sum
Answers
Answer:
(Ans. 3/10, 13/30)
There are 100 students in a class. 50 pass in Mathematics, 40 in Physics and
10 in both. If a student is selected at random what is the probability that he
has passed in (i) at least one subject (ii) in one subject only (iii) in both the
subjects (iv) in none of the subjects (v) only in Physics?
(Ans. .8, .7, .1,.1,.3)
Two dice are thrown simultaneously Find the probability of getting a sum
Answer:
5
(Ans. 3/10, 13/30)
There are 100 students in a class. 50 pass in Mathematics, 40 in Physics and
10 in both. If a student is selected at random what is the probability that he
has passed in (i) at least one subject (ii) in one subject only (iii) in both the
subjects (iv) in none of the subjects (v) only in Physics?
(Ans. .8, .7, .1,.1,.3)
Two dice are thrown simultaneously Find the probability of getting a sum