TNPSC Group I · Aptitude and Mental Ability
HCF and LCM
Highest common factor, lowest common multiple — basic problems.
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Take a full mock →Q1 · HCF and LCM · HARD
The HCF of two numbers is 18 and their LCM is 1,080. If one of the numbers is 108, what is the other number?
Q2 · HCF and LCM · EASY
Three buses arrive at a bus station at intervals of 18 minutes, 24 minutes, and 30 minutes respectively. If all three buses arrive together at 8:00 AM, when will they next arrive together?
Q3 · HCF and LCM · EASY
Find the LCM of 18, 24, and 36.