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Probability
RD Sharma
CBSE
Grade 10
Question:
A bag contains $3$ red balls and $5$ black balls. A ball is drawn at random from the bag. The probability that the ball drawn is red is: (a) $\dfrac{3}{8}$ (b) $\dfrac{5}{8}$ (c) $\dfrac{3}{5}$ (d) $\dfrac{1}{2}$
Step-by-Step Solution
Key Concept: Total balls $= 8$, Red balls $= 3$. $P(\text{Red}) = \dfrac{3}{8}$.
$P = 3/8$. [1.0 Mark]
--- 🎯 Official CBSE Marking Scheme: Evaluating $3/8$: 1.0 Mark
Correct Answer:$\dfrac{3}{8}$
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