LCM and HCF Questions

LCM and HCF questions focus on finding the least common multiple and highest common factor of numbers. Practise divisibility, factorisation, number relationships, and applications involving remainders and common multiples.

3 questions

The sum of two numbers is 84 and their HCF is 12. If the ratio of their LCM to their HCF is 12:1, what are the two numbers?
SSC CHSL Tier 1 · 2025 · 18 Nov Shift 3rd · Question 63 · Medium
What is the least value that should be added to 1812 to make it divisible by 7, 11 and 14?
SSC CHSL Tier 1 · 2025 · 18 Nov Shift 3rd · Question 62 · Medium
The ratio of two numbers is 3:4 and their LCM is 120. What is the sum of the two numbers?
SSC CHSL Tier 1 · 2025 · 13 Nov Shift 3rd · Question 57 · Easy