Probability
Classical probability, simple events and elementary probability problems.
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Take a full mock →Q1 · Probability · MEDIUM
Two dice are rolled simultaneously. What is the probability that the sum of the numbers appearing on them is a prime number?
Q2 · Probability · HARD
A bag contains 5 red, 4 blue, and 3 green balls. Three balls are drawn at random without replacement. What is the probability that all three balls are of different colors?
Q3 · Probability · EASY
A bag contains 6 white balls and 4 black balls. One ball is drawn at random. What is the probability that the ball drawn is white?
Q4 · Probability · EASY
A fair coin is tossed 3 times. What is the probability of getting exactly 2 heads?
Q5 · Probability · MEDIUM
Two unbiased dice are thrown together. What is the probability that the product of the numbers on the two dice is 12?