Three numbers A, B and C are in the ratio of 12 : 15 : 25. If sum of t – McqOptions

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1.	Three numbers A, B and C are in the ratio of 12 : 15 : 25. If sum of these numbers is 312, ratio between the difference of B and A and the difference of C and B is –
A.	3:7
B.	10:3
C.	3:10
D.	5:7
E.	None of these
Answer» D. 5:7

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