यदि A : B = 4 : 9 तथा A : C = 2 : 3 हो, तो (A + B : B + C ) ज्ञात करें ?

  • 1

    15 : 13

  • 2

    10 : 13

  • 3

    13 : 10

  • 4

    13 : 15

Answer:- 4

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