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There are 2 Red, 3 Blue and 5 Black balls in a bag. A ball is drawn from the bag without looking in to the bag. What is the probability of getting a non-black ball?
- a)3/5
- b)2/5
- c)1/2
- d)None of these
Correct answer is option 'C'. Can you explain this answer?
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Probability of Getting a Non-Black Ball
Given:
- 2 Red balls
- 3 Blue balls
- 5 Black balls
To find the probability of getting a non-black ball, we need to determine the number of non-black balls and the total number of balls in the bag.
Total Number of Balls:
The total number of balls in the bag is the sum of the number of red, blue, and black balls.
Total Number of Balls = 2 (Red) + 3 (Blue) + 5 (Black) = 10
Number of Non-Black Balls:
The number of non-black balls is the sum of the number of red and blue balls.
Number of Non-Black Balls = 2 (Red) + 3 (Blue) = 5
Probability Calculation:
Probability is calculated by dividing the number of favorable outcomes (non-black balls) by the total number of possible outcomes (total balls).
Probability of Getting a Non-Black Ball = Number of Non-Black Balls / Total Number of Balls
Substituting the values:
Probability of Getting a Non-Black Ball = 5 / 10 = 1/2
Therefore, the correct answer is option C) 1/2.
Given:
- 2 Red balls
- 3 Blue balls
- 5 Black balls
To find the probability of getting a non-black ball, we need to determine the number of non-black balls and the total number of balls in the bag.
Total Number of Balls:
The total number of balls in the bag is the sum of the number of red, blue, and black balls.
Total Number of Balls = 2 (Red) + 3 (Blue) + 5 (Black) = 10
Number of Non-Black Balls:
The number of non-black balls is the sum of the number of red and blue balls.
Number of Non-Black Balls = 2 (Red) + 3 (Blue) = 5
Probability Calculation:
Probability is calculated by dividing the number of favorable outcomes (non-black balls) by the total number of possible outcomes (total balls).
Probability of Getting a Non-Black Ball = Number of Non-Black Balls / Total Number of Balls
Substituting the values:
Probability of Getting a Non-Black Ball = 5 / 10 = 1/2
Therefore, the correct answer is option C) 1/2.
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There are 2 Red, 3 Blue and 5 Black balls in a bag. A ball is drawn from the bag without looking in to the bag. What is the probability of getting a non-black ball?a)3/5b)2/5c)1/2d)None of theseCorrect answer is option 'C'. Can you explain this answer?
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