# Probability with Explanation

Q8. A box contains 10 red and 10 yellow balls. The probability of drawing two balls of the same color, is:

A.
 1019
B.
 519
C.
 919
D.
 938

Q9. In class, there are 15 boys and 10 girls. Three students are selected at random. The probability that 1 girl and 2 boys are selected, is:

A.
 2146
B.
 325
C.
 25117
D.
 150

Q10. Rohan and his wife appear in an interview for two vacancies in the same post. The probability of husband's selection is

 17
and the probability of wife's selection is
 15
. What is the probability that only of them is selected?

A.
 815
B.
 27
C.
 47
D.
 45

Q11. Two dice are thrown together. What is the probability that the sum of the numbers on the two faces is divisible by 4 or 6?

A.
 112
B.
 13
C.
 715
D.
 718

Q12. An unbiased die is tossed. Find the probability of getting a multiple of 3.

A.
 13
B.
 17
C.
 15
D.
 25

Q13. In a throw of a coin. Find the probability of getting a head?

A.
 15
B.
 17
C.
 12
D.
 18

Q14. In a simultaneous throw of a pair of dice, find the probability of getting a total more than 7.

A.
 87
B.
 512
C.
 718
D.
 59