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A Ball is Drawn at Random from a Box Containing 12 White, 16 Red and 20 Green Balls. Determine the Probability that the Ball Drawn Is: White - Mathematics

A ball is drawn at random from a box containing 12 white, 16 red and 20 green balls. Determine the probability that the ball drawn is:  

white 

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Solution

Total number of balls in the box =48 

Total possible outcomes on drawing a ball=48/ 

n(s)=48 

Event of drawing a white ball =E=12 

n(E)=12 

Probability of drawing a white ball`=(n(E))/(n(s))=12/48=1/4 ` 

 

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APPEARS IN

Selina Concise Maths Class 10 ICSE
Chapter 25 Probability
Exercise 25 (B) | Q 11.1 | Page 393
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