Here is a mathematical expression that also secretly tells a movie name. What movie is that?

John Went to the nearby store in a Mall to buy something for her home. Below is the conversation between the two:

John: How much for the one?
Shopkeeper: It is $2
John: How much for the Eleven?
Shopkeeper: It is $4
John: How much for the Hundred?
Shopkeeper: It is $6.

What is John buying?

You have a three-gallon and a five-gallon measuring device. You wish to measure out four gallons.

Can you count the number of matches in the picture below ?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

When I asked a girl's name she told me her name is the date '07/09/2001'.

I thought for a few seconds and then I got her name. Do you?

Whats the next number in the below number sequence pattern.

Replace the question mark with the correct number below.

A man started to town with a fox, a goose, and a sack of corn. He came to a stream which he had to cross in a tiny boat. He could only take one across at a time. He could not leave the fox alone with the goose or the goose alone with the corn. How did he get them all safely over the stream?

The average age of 10 members of a committee is the same as it was 4 years ago, because an old member has been replaced by a young member. Find how much younger is the new member ?