CBSE · Class 10 · Mathematics · Arithmetic ProgressionsFind the 11th term of the AP: -3, -1/2, 2, ...
Step-by-Step Solution
Here, $a = -3$, $d = -1/2 - (-3) = -1/2 + 3 = 5/2$, and $n = 11$. Using $a_{11} = a + (11 - 1)d = -3 + 10(5/2) = -3 + 25 = 22$. Therefore, the correct option is B.
Detailed Options Breakdown
Option : 28
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Arithmetic Progressions.
Option 1: 22 (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 2: -38
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Arithmetic Progressions.
Option 3: -48 1/2
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Arithmetic Progressions.
💡 Study Guide: This question tests core syllabus concepts from Arithmetic Progressions. For formulas, key summaries, and mock exam reference guides, read the full Arithmetic Progressions Revision Notes.