HCF and LCM Applications
10 lessons · 33 questions · 4 PYQs
What the exams ask here
- least N leaving remainder r with each of a,b,c
- greatest number dividing a,b,c leaving same remainder
- bells ring together
- pairs with given HCF and sum
Lessons
- Start hereThe idea and the methodFirst lesson of HCF and LCM Applications6 min video
- 1.Same Remainder: HCF of Differences4 questions + fresh variants5 min video
- 2.Remainders: LCM plus r or minus d4 questions + fresh variantsJIPMAT 20246 min video
- 3.Bells tolling: LCM, not addition4 questions + fresh variantsJIPMAT 2025 (like)5 min video
- 4.Max Tile Size: The HCF Fits All4 questions + fresh variants6 min video
- 5.Co-prime pairs: product and sum4 questions + fresh variants5 min video
- 6.HCF and sum: find the two numbers1 question + fresh variants5 min video
- 7.Least perfect square multiple3 questions + fresh variants4 min video
- 8.n-digit numbers divisible by a set4 questions + fresh variants6 min video
- 9.Count with a given gcd5 questions + fresh variantsIndore 2026 (like)4 min video