Question

5.
A bag contains only black and blue coloured stones if the number of the stones are in the ratio 3.5, find
the percentage of black and blue coloured stones in the bag?​

Answer 1

Step-by-step explanation:

Given in a bag contains five green marbles, three blue marbles, two red marbles and two yellow marbles

(a)The four colour out comes not equally because the number of four colours balls are different.

(b) Total ball =5+3+2+1=11

Then probability (green) =

11

5

Then probability (blue) =

11

3

Then probability (red) =

11

2

Then probability (yellow) =

13

1

(c) The sum of probabiilites =

11

5

+

11

3

+

11

2

+

11

1

=

11

11

=1