If a : b =4 : 5, b: c=20 : 11 and c:d =6 : 7, then value of a : b : c – McqOptions

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1.	If a : b =4 : 5, b: c=20 : 11 and c:d =6 : 7, then value of a : b : c : d will be
A.	48 : 60 : 33: 77
B.	96 : 120 : 66 : 77
C.	80 : 100 : 44 : 66
D.	56 : 70 : 66 : 77
Answer» C. 80 : 100 : 44 : 66

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