If A : B = 1/2 :3/8 B : C = 1/4: 7: 9 and C : D = 5/7:5/4 then the ratio A : B : C : D is:

Correct Answer is : 12 : 9 : 28 : 49

Ratio and Proportion Practice Test 1

Question : 2 of 40

Marks: +1, -0

A : B = 1/2 :3/8

B : C = 1/4: 7: 9

and

C : D = 5/7:5/4

then the ratio A : B : C : D is:

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