Correct Answer - Option 3 : Abhinav
According to the given statements,
1) Raman runs faster than Mohan, but not as fast, as Kareem
Kareem > Raman > Mohan
2) Kareem runs faster than Suman, but Not as fast as Abhinav
Abhinav > Kareem > Suman
So, Abhinav runs fastest.
Hence, option 3 is the correct answer.