The marks obtained by Vijay and Amith are in the ratio 4:7 and those obtained by Amith and Abhishek in the ratio of 3:2. The marks obtained by Vijay and Abhishek are in the ratio of?  Select: A) 6:8 B) 6:1 C) 6:5 D) 6:7 E) 6:3
4:7   3:2   -------   12:21:14   12:14   6:7   Answer: 6:7
<result>D</result>
The marks obtained by Vijay and Amith are in the ratio 4:7 and those obtained by Amith and Abhishek in the ratio of 3:2. The marks obtained by Vijay and Abhishek are in the ratio of?