The marks obtained by Vijay and Amith are in the ratio 4:5 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?
Choices
A) 6 : 8
B) 6 : 2
C) 6 : 5
D) 6 : 4
E) 6 : 2

Rationale: "4 : 5 3 : 2 - - - - - - - 12 : 15 : 10 12 : 10 6 : 5 answer : c"
Answer: C