VTMO 2026 - Grade 6 - Semifinal - SET 3 - Self-study Question 6

Question 6

Which of the following calculations has an even result?

1. $1×3×5×\cdots×99$
2. $2012×2013+2014$
3. $1×2×3×\cdots×100+101$
4. $1+3+5+\cdots+101$
5. $2×4×6×\cdots×100+101$