• Jul 19, 2026 apsmo maths olympiad questions and answers n + 6 \) is divisible by 4. Solution: Step 1: Analyze the divisibility condition: \[ n^2 + 5n + 6 \equiv 0 \pmod{4} \] Step 2: Simplify the expression modulo 4: Since coefficients are integers, consider \( n \) mod By Jaqueline Huel III
