What is the probability of getting a sum 9 from two throws of dice.

A. $\frac{1}{3}$

B. $\frac{1}{9}$

C. $\frac{1}{12}$

D. $\frac{2}{9}$

Correct Answer : B.

Total number of cases = 6*6 = 36
Favoured cases = [(3,6), (4,5), (6,3), (5,4)] = 4
So probability =

\frac{4}{36} = \frac{1}{9}

Comment

In a throw of coin what is the probability of getting head.
Three unbiased coins are tossed, what is the probability of getting at least 2 tails ?
In a box, there are 8 red, 7 blue and 6 green balls. One ball is picked up randomly. What is the probability…
Bag contain 10 back and 20 white balls, One ball is drawn at random. What is the probability that ball…
A box contains 5 green, 4 yellow and 3 white balls. Three balls are drawn at random. What is the probability…
In a throw of coin what is the probability of getting tails.
From a pack of 52 cards, 1 card is drawn at random. Find the probability of a face card drawn.
A box contains 20 electric bulbs, out of which 4 are defective. Two bulbs are chosen at random from…
Two dice are thrown simultaneously. What is the probability of getting two numbers whose product is…
What is the probability of getting a sum 9 from two throws of dice.
A speaks truth in 75% of cases and B in 80% of cases. In what percentage of cases are they likely to…
A card is drawn from a pack of 52 cards. The probability of getting a queen of club or a king of heart…
In a throw of dice what is the probability of getting number greater than 5
Two unbiased coins are tossed. What is probability of getting at most one tail ?
From a pack of 52 cards, two cards are drawn together, what is the probability that both the cards are…