Curioustab

Home » Aptitude » Probability

Two unbiased dice are thrown simultaneously. the probability of getting the sum divisible by 3, is?

11/36
12/36
13/36
17/36

Correct Answer: 12/36

Explanation:

n(S) = 6 x 6 = 36
n(E) = (1, 2) (2, 1), (1, 5) (2, 4) (3, 3) (4, 2) (5, 1) (3, 6) (4, 5) (5, 4) (6, 3) (6, 6) = 12
∴ P(E) = 12/36

← Previous Question Next Question→

More Questions from Probability

What is the possibility of getting at least 6 heads, if eight coins are tossed simultaneously?
A and B aim a target. The Probability that A hits the target is 5/7 and B hits the target in 7/10. What is the probability that exactly one of them hits the target?
A bag contains 5 white, 7 red and 8 black balls. If 4 balls are drawn one by one with replacement, what is the probability that all are white?
There are 8 blue and 4 white balls in a bag . A ball is drawn at random. Without replacing it another ball is drawn. Find the probability that both the balls drawn are blue?
Two dice are thrown simultaneously. What is the probability of getting a number other than 4 on any dice?
Number 1 to 25 are marked on tokens of equals size one on each. A token is drawn at random. Find the probability of getting a number divisible by both 2 and 3?
A complete cycle of a traffic light takes 60 s. During each cycle the light is green for 25 s, yellow for 5 s and red for 30 s. At a randomly chosen time, the probability that the light will not be green is?
The probability that a man will live 10 more year is 1/4 and the probability that his wife will live 10 more year is 1/3. Then, the probability that none of them will be alive after 10 yr, is?
The letters B, G, I, N, R are rearranged to form the word 'BRING'. Find its probability?
If one rolls a fair sides die twice, what is the probability that the die will land on the same number on both the occasions?

Discussion & Comments

No comments yet. Be the first to comment!

Join Discussion