Real Numbers
RD Sharma
CBSE
Grade 10
Question:
If two numbers are in the ratio $15 : 11$ and their HCF is $13$, then the numbers are:
(a) $195, 143$
(b) $150, 110$
(c) $130, 100$
(d) $185, 133$
Step-by-Step Solution
Key Concept: Numbers are $15 \times 13 = 195$ and $11 \times 13 = 143$.
$15 \times 13 = 195$ and $11 \times 13 = 143$. [1.0 Mark]
---
🎯 Official CBSE Marking Scheme:
Evaluating $15 \times 13$ and $11 \times 13$: 1.0 Mark
Correct Answer: $195, 143$
Confused by the solution? Ask the AI to explain a specific step, tell you where you went wrong, or break down the key trap in this question.