यदि a:b= 3:4 तो (6a + b) :(4a +5b ) कितना हो� – McqOptions

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1.	यदि a:b= 3:4 तो (6a + b) :(4a +5b ) कितना होगा ?
A.	1:9
B.	1:8
C.	11:16
D.	12:17
Answer» D. 12:17

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