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Q.

If A : B = 1/ 2 : 3/ 8 , B : C = 1/ 3 : 5/ 9 and C : D = 5/ 6 : 3/ 4 , then the ratio A : B : C : D is

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a

8 : 6 : 10 : 9 

b

6 : 8 : 9 : 10

c

6 : 4 : 8 : 10 

d

4 : 6 : 8 : 10 

answer is D.

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Detailed Solution

Given A:B=12:38B:C=13:59 and C:D=56:34

it implies 

A:B=4:3B:C=3:5 and C:D=10:9

Hence, A:B:C:D=4:3:5:92

Therefore, A:B:C:D=8:6:10:9

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