Hello Readers,
Probability questions are asked in almost all competitive exams. They are followed by simple tricks and calculations, and cover about 2-3% of the paper marks. Here is a sample paper sheet of the Probability based questions for your practice. Do give us a review.
Q1. What is the probability that card drawn at random from a pack of cards is either black or a jack?
(a) 15/26
(b) 7/13
(c) 27/52
(d) 3/13
(e) 11/52
(a) 21/40
(b) 23/40
(c) 7/30
(d) 7/15
(e) None of these
Q3. The probability of Neha and Nikita passing an exam is 2/3 and 3/4, respectively. Find the probability that at least one of them passes the exam.
(a) 1/12
(b) 1/4
(c) 11/12
(d) 1/2
(e) 7/12
Q4. Bag 1 has three red and four black balls and bag 2 has four red and three black balls. One bag is selected at random and a ball drawn out of it. Find the probability that the ball drawn is red.
(a) 1/2
(b) 12/49
(c) 3/7
(d) 5/7
(e) None of these
Q5. Two dice are thrown. The probability that both of them show a prime number greater than 2 is:
(a) 1/9
(b) 1/6
(c) 2/3
(d) 1/4
(e) 5/9
Answers:
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