real numbers HCF LCM cbse 10th maths ( part 3)

 real numbers HCF LCM cbse 10th maths ( part 3) 

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Find the smallest number which is divisible by both 644 and 462.

solution 

2.

Two numbers are in the ratio 4: 5 and their HCF is 11. Find the LCM of these numbers.

solution

3.

Given that HCF (306, 1314) = 18,
find LCM of (306, 1314).

solution