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.

5 , 11 , 24 , 51 , 106 ,____?

How many triangles are there in the given figure?

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

TER_TE_S_ER_

Select the Missing number?

Find out the odd word/letters/number/number pair from the given alternatives.

Select the related word/letters/numbers from the given alternatives:
3 : 243 :: 5 : ?

Prem starts to school from his house and walks 400 metres towards north, turns left and walks 100 metres, turns left and walks 200 metres, turns left and walks 100 metres. How far he is away from his house?

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