Question : If LCM of two numbers is 72 and their product is 1728 , then what is the HCF of the numbers?
Option 1: 1
Option 2: 18
Option 3: 24
Option 4: 12
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Correct Answer: 24
Solution : Product of LCM and HCF of two numbers = Product of two numbers So, 72 × HCF = 1728 ⇒ HCF = 24 Hence, the correct answer is 24.
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