Multiple Choice Questions

a and b are two whole numbers and c is their HCF then the LCM of those two numbers is ........

Elelmentary Mathematics (UPPCS) LCM, HCF

a and b are two whole numbers and c is their HCF, then the LCM of those two numbers is

ab/c

ac/b

bc/a

LCM or least common multiple, is the least number which is a multiple of both the original numbers.

the LCM would factor out the HCF of the numbers.
LCM = a × b/HCF = ab/c

he LCM of the two numbers = ab/c

Hence, option 2 is the correct answer.

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