Verbal Reasoning - Mental Ability Questions

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, ?

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

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

If in a certain language, TREE is coded as USFF, how is MANGO coded in that language?

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

d_ba_c_a_cb_

Aditya said, "I have two children and Anil is the father of my daughter's only niece". How is Anil related to Aditya?

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?

A series is given, with one number missing. Choose the correct alternative from the given ones that will complete the series.
49, 64, ?, 100, 121