A "spoilt vote" (or "spoiled ballot") refers to a ballot that is not counted in an election due to errors or issues with how it was filled out. This can happen for various reasons, such as: 1. **Invalid markings**: The voter may have made choices that are unclear, such as using a pen or pencil that does not mark properly or marking more candidates than allowed (e.g., voting for multiple options in a single-choice election).
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