10 Important MCC operation for competitive test
Squaring Numbers Ending in 5 🔢
✅ Easily square numbers that end in 5
👉 Example: 35²
Multiply the first digit by itself +1 → 3 × (3+1) = 3 × 4 = 12
Add 25 at the end → 1225
So, 35² = 1225 🎯
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