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      Question

      What is the smallest 5-digit number divisible by 10, 18, 30

      and 45?
      A 10,508 Correct Answer Incorrect Answer
      B 10,000 Correct Answer Incorrect Answer
      C 10,080 Correct Answer Incorrect Answer
      D 10,024 Correct Answer Incorrect Answer

      Solution

      ATQ,

      LCM of 10, 18, 30 and 45 = 90

      Least 5-digit number = 10000

      So, 10000 รท 90 = 111.11

      Therefore, we should multiply 112 and 90 to get the required 5-digit number

      So, required number = 10,080

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