
16K followers • Quantitative Aptitude
Jun 18, 2026 • 1h 18m • 182 views
Mastering the Number System for CAT 2026 is foundational, usually accounting for about 20-25% of the Quantitative Aptitude section. Key topics to prioritize include divisibility rules, remainders (Fermat's, Wilson's, and Euler's theorems), cyclicity, unit digits, and prime factorization.