Correct Answer - Option 3 : Poorer than Mohan
Arranging the order according to the question
1. Ram is richer than Shyam
Ram > Shyam
2. Ram is richer than Shyam, but not as much as Mohan
Mohan > Ram > Shyam
Hence, Shyam is "Poorer than Mohan" is the correct answer.