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Arithmetic Progressions
RD Sharma
CBSE
Grade 10
Question:
The first term of an A.P. is $p$ and the common difference is $q$, then its $10^{\text{th}}$ term is: (a) $q + 9p$ (b) $p + 9q$ (c) $p + 10q$ (d) $10p + q$
Step-by-Step Solution
Key Concept: $a_{10} = a + 9d = p + 9q$.
$a_{10} = p + 9q$. [1.0 Mark]
--- 🎯 Official CBSE Marking Scheme: Selecting $p + 9q$: 1.0 Mark
Correct Answer:$p + 9q$
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