यदि A : B = 8 : 7, (A + B) : (C + D) = 15 : 17 और A : D = 4 : 3 है, तब (A + D) : (B + C) का मान क्या होगा?

1
4 : 3
2
7 : 9
3
10 : 7
4
2 : 5

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