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The HCF of two numbers is 9 and their LCM is 360. If one of the numbers is 45, the other number is:

Competition practiceNumber & Arithmetic
  • A72
  • B40
  • C81
  • D63

Step-by-Step Solution

Product of two numbers = HCF × LCM = . Other number = 3240 ÷ 45 = 72.
Answer: A) 72

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