There are 3 numbers A, B and C. If A:B = 5/4, B:C = 4/3,C:D = 3/6, then A:D will be? Select:
A) 5:6  B) 3 : 5  C) 5 : 7  D) 6 : 11  E) 5 : 3
Sol. A : B = 5 : 4, B : C = 4 : 3, C : D = 3 : 6   ∴A∶B∶C∶D= 5 : 4 : 3 : 6.   Thus, 5:6 : D = 5 : 6   5:6
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There are 3 numbers A, B and C. If A:B = 5/4, B:C = 4/3,C:D = 3/6, then A:D will be?