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      Question

      What is the smallest number which is divisible by 15, 20,

      and 30?
      A 100 Correct Answer Incorrect Answer
      B 60 Correct Answer Incorrect Answer
      C 90 Correct Answer Incorrect Answer
      D 30 Correct Answer Incorrect Answer

      Solution

      ATQ,

      We know, the smallest number which can be divisible by 'a', 'b', and 'c' =
      LCM of 'a', 'b', and 'c'.

      Here, 'a', 'b', and 'c' are three different numbers.

      Required number = LCM of 15, 20, 30 = 60

      Therefore, the smallest number which is divisible by 15, 20, and 30 is 60.

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