Hina draws a ball from a container that contains blue and green balls- The probability of choosing a green ball is 25- If the total number of balls in the bag is 50- find the number of blue balls-

Probability of getting a green ball nbsp;= nbsp;25 nbsp; Here, the total number of balls in the container = 50 ∴ Number of green nbsp;balls = nbsp; 2 ...

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Standard VIII

Mathematics

Calculating Probability of an Event

Hina draws a ...

Question

Hina draws a ball from a container that contains blue and green balls. The probability of choosing a green ball is $\frac{2}{5}$ . If the total number of balls in the bag is 50, find the number of blue balls.

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Solution

The correct option is C 30
Probability of getting a green ball $= \frac{2}{5}$
Here, the total number of balls in the container = 50
∴ Number of green balls =
$\frac{2}{5} \times 50 = 20$
Hence,
The number of blue balls in the container = $50 - 20 = 30$

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Hina draws a ball from a container that contains blue and green balls. The probability of choosing a green ball is 25. If the total number of balls in the bag is 50, find the number of blue balls.

The correct option is C 30Probability of getting a green ball = 25 Here, the total number of balls in the container = 50 ∴ Number of green balls = 25×50 = 20 Hence, The number of blue balls in the container = 50−20=30

Hina draws a ball from a container that contains blue and green balls. The probability of choosing a green ball is $\frac{2}{5}$ . If the total number of balls in the bag is 50, find the number of blue balls.

The correct option is C 30
Probability of getting a green ball $= \frac{2}{5}$
Here, the total number of balls in the container = 50
∴ Number of green balls =
$\frac{2}{5} \times 50 = 20$
Hence,
The number of blue balls in the container = $50 - 20 = 30$