Verbal Reasoning - Mental Ability Questions

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.

? , Lal Bahadur Shastri, Indira Gandhi, Morarji Desai, Choudhary Charan Singh

In the following question, from the given alternative words, select the word which cannot be formed using the letters of the given word.
UNIFORMITY

A series is given, with one term missing. Choose the correct alternative from the given ones that will complete the series.

4, 9, 16, 25, 36, ?

Choose the correct alternative from the given ones that will complete the below series. W/S, U/O, S/K, Q/G

From the given alternative words, select the word which cannot be formed using the letters of the given word:

COMMENTATOR

A plane flies 100 km West, then it turns South and flies 150 km, then it turns West and flies 300 km, then it turns to its right and flies 150 km. Where is it now with reference to its starting position?

In the following question, which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?

_d_be_c_ed_b

In the following question, from the given alternative words, select the word which cannot be formed using the letters of the given word.
HANDSOME