HSSC CET · Quantitative Ability
Lowest common multiple and highest common factor.
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Q1 · LCM and HCF · EASY
Find the HCF of 24 and 36.
Q2 · LCM and HCF · MEDIUM
The LCM of two numbers is 180 and their HCF is 6. If one number is 30, find the other number.
Q3 · LCM and HCF · MEDIUM
Three bells ring at intervals of 12 minutes, 15 minutes and 18 minutes respectively. If they all ring together at 9:00 AM, at what time will they next ring together?
Q4 · LCM and HCF · HARD
The greatest number that will divide 398, 436 and 542 leaving remainders 7, 11 and 15 respectively is:
Q5 · LCM and HCF · EASY
The HCF of two numbers is 18 and their LCM is 360. If one of the numbers is 72, what is the other number?