TN Police PC · Mathematics & Numerical Ability

LCM & HCF

Highest common factor and lowest common multiple.

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  • Q1 · LCM & HCF · EASY

    Find the HCF of 24 and 36.

  • Q2 · LCM & HCF · MEDIUM

    The LCM of two numbers is 120 and their HCF is 10. If one number is 30, find the other number.

  • Q3 · LCM & 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 & HCF · HARD

    The HCF of two numbers is 23 and their LCM is 1449. If one of the numbers is 161, find the other number.

  • Q5 · LCM & HCF · MEDIUM

    The HCF of two numbers is 14 and their LCM is 420. If one number is 84, the other number is:

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