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Ratio and Proportion
If A : B = 2 : 5, B : C = 4 : 3 and C : D = 2 : 1, then what is value of A : C : D?
6 : 5 : 2
7 : 20 : 10
8 : 30 : 15
16 : 30 : 15
Correct Answer:
16 : 30 : 15
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