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The HCF of two numbers is 12 and their LCM is 72. If their sum is 60, find their difference.

Competition practiceNumber System, HCF & LCM
  • A12
  • B24
  • C60
  • D18

Step-by-Step Solution

with , co-prime: (1, 6) sum 84, or (2, 3) sum 60. Numbers 24 and 36; difference 12.
Answer: A) 12

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