LCM and HCF Practice & Questions
Evaluates factor and multiple relationships, remainder patterns upon continuous division, and synchronized recurrence cycles.
Core Concepts in LCM and HCF
Questions from this topic consistently evaluate the following core principles across SSC, Railways, and Banking papers:
- Product of numbers = LCM x HCF (for two numbers)
- LCM & HCF of fractions
- Smallest number leaving a constant remainder
- Bells tolling together / runners meeting at starting point
Exam Speed Strategy & Shortcuts
- LCM of fractions = LCM of numerators / HCF of denominators.
- HCF of fractions = HCF of numerators / LCM of denominators.
Exams Testing LCM and HCF
Mastering this topic directly contributes to clearing cutoffs in these examinations: