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VTMO 2026 - Grade 5 - Semifinal - SET 9 - Self-study Question 25

VTMO · VTMO 2026 - Grade 5 - Semifinal - SET 9 - Self-study

Question 25

Reversing the digits of Uncle Binh’s present age gives An’s present age. In 3 years, the ratio of An’s age to Uncle Binh’s age will be $3/5$. How old is An now?

Practice convention: their present ages are two-digit whole numbers of years.

Question illustration