If A: B = 3:4, C:B = 5:4, C:D= 10:9, then A:B:C:D is :

1. If A: B = 3:4, C:B = 5:4, C:D= 10:9, then A:B:C:D is :

[Asst. Excutive Officer 2017 [MCQ] : 2017]

1. 8:6:9:10

2. 8:6:10:9

3. 6:8:10:9

4. 6:8:9:10

Answer

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