Question : The product of LCM and HCF of two numbers is 2028. If one number is 78, then what is the other number?
Option 1: 13
Option 2: 52
Option 3: 26
Option 4: 39
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Correct Answer: 26
Solution : The product of LCM and HCF of two numbers = 2028 One number = 78 Let the other number be $x$. We know that, Product of two numbers = LCM × HCF ⇒ $x\times78=2028$ $\therefore x=26$ Hence, the correct answer is 26.
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