यदि A:B=1:2, B:C=1:3 तथा C:D= 2:3 हो, तो A:B:C:D तथा A:D होगा-

  • 1

    1:2:6:9, 3:2

  • 2

    2:3:6:9, 1:9

  • 3

    1:2:3:4, 8:9

  • 4

    1:2:6:9, 1:9

Answer:- 4

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