The LCM of two numbers is 40 times its HCF. If the product of the numbers is 1440, find their HCF.
LCM = 40 x HCF formula used LCM x HCF = Product of no.'s let HCF be a LCM = 40a Now, 40a x a = 1440 40a2= 1440 a2= 36 a = 6
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