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      Question

      A:B = 4:7 and B:C = 3:5. Find

      A:C.
      A 15:13 Correct Answer Incorrect Answer
      B 12:35 Correct Answer Incorrect Answer
      C 18:23 Correct Answer Incorrect Answer
      D 17:14 Correct Answer Incorrect Answer

      Solution

      ATQ,

      B = LCM of 7 and 3 = 21 A = 4├Ч3 = 12 C = 5├Ч7 = 35 A:C = 12:35

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