EAMCET Engineering 2003 Solved Paper

Probability of selecting a white ball from X bag
=‌

2

5

Probability of selecting a white ball from Y bag
=‌

4

6

=‌

2

3

Probability of selecting a white ball from X or Y bags
=‌

2

5

+‌

2

3

=‌

6+10

15

=‌

16

15

Probability of selecting the white ball from one of the bags
=‌

1

2

⋅‌

16

15

=‌

8

15