Count the number of lines in the image below ?

I get hot but I never sweat,
I cook food but I am not a chef,
I have a door but you can't enter me,
I have a light but I am not a lamp.
Who am I?

Can you find out who is the kidnapper in below Picture and why, Explain ?

Which tank will fill first?

It has five wheels, though often think four, You cannot use it without that one more, You can put things in it, you can strap things on top, You can't find it in the market, but you can still go shop. What is it?

Look at the picture and find out which square is not linked with any of the other squares.

The dirtier I get, the whiter I look. Who am I?

Find the next number in the series below.

6 18 270 72090 ?

Can you identify if it's a murder or a suicide ?

In The 1st month of this year(the year 2013), I noticed that the date 13-1-13 (13 January 2013) is special.

This date is special as:

Date * Month = Year.

Can you figure out which year of this century has a maximum number of such dates?