If A : B = 2 : 3, B : C = 4 : 5 and C : D = 6 : 7, then A : D is equal – McqOptions

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1.	If A : B = 2 : 3, B : C = 4 : 5 and C : D = 6 : 7, then A : D is equal to ?
A.	2 : 7
B.	7 : 8
C.	16 : 35
D.	4 : 13
Answer» D. 4 : 13

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