If A : B = 2 : 3, B : C = 5 : 7 and C : D = 3 : 10, then what is A : D – McqOptions

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1.	If A : B = 2 : 3, B : C = 5 : 7 and C : D = 3 : 10, then what is A : D equal to ?
A.	1 : 7
B.	2 : 7
C.	1 : 5
D.	5 : 1
Answer» B. 2 : 7

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