In an examination, Raj got more marks than Mukesh but not as many as Priya.
Priya get more marks than Gaurav and Kavita.
Gaurav got less marks than Mukesh but his marks are not the lowest in the group. Who is second in the descending order of marks ? 

Answer: C. Raj

In terms of marks obtained,
Mukesh < Raj,  Raj < Priya,  Gaurav < Priya,  Kavita < Priya,  Gaurav < Mukesh.
Since Gaurav's marks are not the lowest, so Kavita's marks are the lowest.
So, the sequence becomes :
Kavita < Gaurav < Mukesh < Raj < Priya.
Clearly, in the descending order, Raj comes second.