Which of the following groups in the given Venn diagram best represents?

Directions: From the given alternative words, select the word which can be formed using the letters of the given word.

LEGALIZATION 

Complete the following number series.
24, 60, 120, 210___

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

RECIPROCATE

Direction: In the following question, select the related letters from the given alternatives.
Cow : Calf :: Hen : ?

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?

Given is a statement followed by two arguments. Decide which of the arguments is/are strong with respect to the statement.
Statement:
There is an increase in mobile usage and cell phone towers.
Arguments:
I. It shows global development and fast and easy way to get connected with the wider world.
II. In the long run, there will be more signals that will affect the normal functioning of the ecological systems.

A square transparent sheet with a pattern is given. Figure out from amongst the four alternatives as to how the pattern would appear when the transparent sheet is folded at the dotted line.