Logical Sequence of Words Questions

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.
Narendra Modi, Manmohan Singh, Atal Bihari Vajpayee, ?

A,B,C,D,E,F are sitting on the round table with equal distances. F is sitting opposite to E and between A and D. C is sitting right side of E and opposite to A. Who are the neighbours of A?

From the given alternatives, select the word which CANNOT be formed using the letters of the given word.

Jurisprudence

From the given alternatives, select the word which CANNOT be formed using the letters of the given word.

Hardship