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If A : B = 2 : 5, B : C = 4 : 3 and C : D = 2 : 1, then what is value of A : C : D?
- A6:05:02
- B7:20:10
- C8:30:15
- D16:30:15
Answer not set
Discussion 1
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CCommunity
16:30:15 : option 4 is the correct answer