If A and B are in the ratio 3 : 4 and B and C in the ratio 12 :13 then A and C will be in the dratio-

A 3 :13
B 36 : 13
C 13 : 9
D 9 : 13

Correct Answer: 9 : 13

A:B = 3:4 or 9:12 B:C = 12:13 then A:C = 9:13
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