SKILLONEX Official on Instagram: "Most students don’t fail placements in coding. They fail in Aptitude Round 1. Not because they are weak. But because they prepare casually. Aptitude is not a maths test. It’s a speed + pressure filter. This guide covers: • The silent mistakes that cause elimination • Topics you must cover before placements • Tools to practice with real timers • A structured 20-minute daily system If you can’t clear cutoff, you don’t reach coding round. Save this before placement