Question

A box contains 13 blue, 12 white and 5 red marbles. If a marble is drawn at random

from the box. What is the probability that it will be a ) white? b) blue? c) red?

Answer 1

correct answer is (c)

Explanation:

(a) Total no. of marbles=3+2+4=9

(1) No. of white marbles=2

∴ probability of getting a white marble=

9

2

(2) No. of blue marbles=3

∴ probability of getting a blue marble=

9

3

=

3

1

(3) No. of red marbles=4

∴ probability of getting a red marble=

9

4

I'm not sure abt this answer, sorry if I get it wrong