HCF of $420, 315$ and $462$ is: 

Important Questions on HCF and LCM

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Rajasthan Patwari

IMPORTANT

Himachal Pradesh Patwari Recruitment Exam - Arithmetic>Chapter 2 - HCF and LCM>Multiple Choice Questions>Q 23

Two numbers are in the ratio of$8 : 15$. If their HCF is $4$, the numbers are: 

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Rajasthan Patwari

IMPORTANT

Himachal Pradesh Patwari Recruitment Exam - Arithmetic>Chapter 2 - HCF and LCM>Multiple Choice Questions>Q 24

Three bells ring respectively at an interval of $15$ seconds, $20$ seconds and $24$ seconds. If they ring continuously for$12$ minutes then how many times during this period, will they ring together?