You need to arrange three 7 and mathematical symbols to form number 1?

Buy me, smell me or deliver me, I do not change.

Who am I?

A finger goes in me. You fiddle with me when you're bored. The best man always has me first. What am I?

What is the Surname of Barbie Doll?

One night, Louis and Adam were sitting together. Adam was watching a movie while his wife Louis was reading a mystery book. Suddenly the power went out and Adam decided to go to bed, but strangely Louis kept on reading. There was no artificial light around, so Louis kept on reading. How come?

What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C

Can you count the number of squares in the figure below?

There are nine dots in the picture that has been attached with this question. Can you join all the dots by drawing four straight lines without picking up your pen?

A train leaves from point A for point B at 80 mph. After half an hour, another train leaves from point B for point A at 60 mph.

Which of the trains will be farther from point A when they meet ?

Which statement is true out of the following?
One statement here is false.
Two statements here are false.
Three statements here are false.