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Real Numbers

RD Sharma

CBSE

Grade 10

Question:

If $\text{HCF}(a, b) = 8$ and $a \times b = 384$, then $\text{LCM}(a, b)$ is:
(a) $48$
(b) $32$
(c) $24$
(d) $64$

Step-by-Step Solution

Key Concept: $\text{HCF} \times \text{LCM} = a \times b$.

$\text{LCM}(a, b) = \dfrac{384}{8} = 48$. [1.0 Mark]

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🎯 Official CBSE Marking Scheme:
Formula substitution and division $384 / 8 = 48$: 1.0 Mark

Correct Answer: $48$

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