Question

A bag contains 12 balls out of which x are red balls one ball is drawn at random what is the probability that it is red
please answer for this​

Answer 1

Answer:

the probability to fall of red ball on random it might be sign of danger or if we divide 12 balls into half the they will in the part of 6 so the red one should have fallen

Answer 2

Answer:

Total balls=12

Let the red balls be x

So,

P

1

=

12

x

If the red balls increased to 6 then,

Total balls will be =12+6=18

Red balls will be=x+6

So,

P

2

=

18

x+6

Now,

12

x

=

18

x+6

x=

3

x+6

3x=x+6

2x=6

x=3