8, 29, 113, 449, _?

Find the odd one out.

If a mirror is placed on the line, which of the given answer figures will be the correct image of the question figure?

In each of the following questions, four numbers are given out of which three are like in some manner while one is different. Choose the one which is different from the rest three?

Directions: Find the odd word/letter/number from the given alternatives.

Directions: - Each question given below consists of a statement, followed by two arguments numbered I and II. You have to decide which of the arguments is a ‘strong’ argument and which is a ‘weak’ argument.
Statement:
Should students take part in politics?
Arguments: 
I. Yes, it inculcates in them qualities of leadership.
II. No, they should study and build up their career. 

Question Figure

A father's age was 8 times his son's age 4 years ago. Presently the father's age is 4 times that of his son. Find the present age of the son?