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      Question

       If A:B = 7:9 and B:C = 3:5, then find

      A:B:C.
      A 5:7:19 Correct Answer Incorrect Answer
      B 7:9:15 Correct Answer Incorrect Answer
      C 13:17:5 Correct Answer Incorrect Answer
      D 5:8:13 Correct Answer Incorrect Answer

      Solution

      ATQ, A:B = 7:9 B:C = 3:5 Make the value of B same. LCM of 9 and 3 = 9 So, A:B = 7:9 B:C = 9:15 Therefore, A:B:C = 7:9:15

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