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Three numbers are in the ratio 2 : 3 : 4 and their HCF is 12. Their LCM is:

Competition practiceNumber & Arithmetic
  • A72
  • B288
  • C144
  • D216

Step-by-Step Solution

Since the HCF is 12, the numbers are and . Now and , so the LCM takes the highest power of each prime: .
Answer: C) 144

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