MP Board · Class 6 · Mathematics · IntegersWhat is the predecessor of -20?
Step-by-Step Solution
The predecessor of any integer is obtained by subtracting 1 from it. So, (-20) - 1 = -21.
Detailed Options Breakdown
Option : -19
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Integers.
Option 1: -21 (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 2: 19
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Integers.
Option 3: 21
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Integers.
💡 Study Guide: This question tests core syllabus concepts from Integers. For formulas, key summaries, and mock exam reference guides, read the full Integers Revision Notes.