Hcf And Lcm Worded Problems (Year 8 Maths)

The following test is covering 'Hcf And Lcm Worded Problems' for Year 8 Maths.

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Find the Highest Common Factor (HCF) of 144 and 216.

What is the Least Common Multiple (LCM) of 60 and 75?

If the HCF of 18 and 486 is 18, then what is the LCM of the two numbers?

A race has five participants who do laps every 6, 4, 8, 7 and 10 minutes. After how many minutes they will be at the starting point together again?

Two prime numbers, 13 and 31 have a gap of 18 between them, hence, their HCF is...?

The LCM of 9,10 and 12 is…?

The LCM of 45 and 60 is...?