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VTMO 2026 - Grade 8 - Semifinal - SET 05 - Self-study Question 23

VTMO · VTMO 2026 - Grade 8 - Semifinal - SET 05 - Self-study

Question 23

For every positive integer $n$, which expression is always divisible by $3$?

Question illustration
  1. $(n+1)(n+4)$
  2. $n(n+2)(n+6)$
  3. $n(n+2)(n+4)$
  4. $n(n+3)(n-3)$
  5. $(n+2)(n+3)(n+5)$