Question : The LCM of the two numbers is 4104 and the HCF is 9. If one of the numbers is 171, find the other.
Option 1: 218
Option 2: 215
Option 3: 220
Option 4: 216
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Correct Answer: 216
Solution : Let the required number be k. LCM × HCF = Product of the numbers ⇒ 4104 × 9 = 171 × k ⇒ k = $\frac{4104 \times 9}{171}$ = 216 Hence, the correct answer is 216.
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