यदि A : B = 3 : 4, B : C = 5 : 6 तथा C : D = 11 : 9 हो तो A : D = ?

  • 1

    80 : 60

  • 2

    65 : 70

  • 3

    60 : 70

  • 4

    55 : 72

Answer:- 4

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