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Algebra Difficulty 1.0 Junior Find the answer United Kingdom

Think of any number. Add five; multiply by two; add ten; divide by two; subtract your original number; add three. What is the resulting number?

(A) $10$ (B) $11$ (C) $12$ (D) $13$ (E) $14$

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Source: UK Mathematics Trust, licensed © UK Mathematics Trust; past papers published free at ukmt.org.uk. Statement reproduced verbatim; metadata (topic, difficulty) added by this project. Solutions are the publisher's, linked not copied.