The marks obtained by Polly and Sandy are in the ratio 4:5 and those obtained by Sandy and Willy are in the ratio of 5:2. The marks obtained by Polly and Willy are in the ratio of...? Answers.
A) 2:1 B) 3:2 C) 4:3 D) 5:4 E) 6:5
Polly : Sandy = 4:5   Sandy : Willy = 5:2   Polly : Sandy : Willy = 4:5:2   Polly : Willy = 4:2 = 2:1   The answer is 2:1.
<result>A</result>
The marks obtained by Polly and Sandy are in the ratio 4:5 and those obtained by Sandy and Willy are in the ratio of 5:2. The marks obtained by Polly and Willy are in the ratio of...?