Question

2. A bag contains 24 balls out of which x are white. If one ball is drawn at random, the probability of
drawing a white ball is y. 12 more white balls are added to the bag. Now, if a ball is drawn from the
5
bag, the probability of drawing the white ball is y. Find the value of x.
​

Answer 1

Answer:

x=8

Step-by-step explanation:

The value of x is 8. Probability of drawing a white ball = y. Thus, the value of x is 8

Answer 2

Answer:

The value of x is 8.

Step-by-step explanation:

Total number of balls = 24 (Given)

Let the number of white balls be = x

Probability of drawing a white ball = y.

Probability of drawing a white ball -

Number of white balls / Total number of balls

y = x/24

Now, since 12 more white balls are added to the bag, thus -

Probability of drawing a white ball = Number of white balls /Total number of balls

5y/3 = x + 12/ 24+12

5y/3 = x+12/36

5y = x+12/12

5×x/24 = x+12/12

5x = 2x+24

3x=24

x=8

Thus, the value of x is 8.

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