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VTMO 2026 - Grade 3 - Semifinal - SET 5 - Self-study Question 19

VTMO · VTMO 2026 - Grade 3 - Semifinal - SET 5 - Self-study

Question 19

The numbers 8, 13, 18, 23, 28 form an equally spaced sequence of five numbers: it starts at 8, ends at 28 and increases by 5 each time. Phong writes another equally spaced sequence starting at 11 and ending at 46. His sequence contains 32 but does not contain 24. What is the sum of the numbers he writes?

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