What's the best place to go shopping in the ocean?

What is the largest amount of money that you can possess in change and still if someone asks you for a dollar, you won't be able to give?

Make eight squares by moving only two matchsticks.
Note- Square can be of different sizes.

I am a normal creature, but I have five hands. I can even have more but even then I will be considered normal.

Who am I?

Paul's height is six feet, he's an assistant at a butcher's shop and wears size 9 shoes. What does he weigh?

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

If two fifty-foot ropes are suspended from a forty-foot ceiling that is twenty feet apart, how much rope will you be able to steal if you have a knife?

Can you find the odd number in the following?

2716, 4135, 5321 and 7145

A father's child, a mother's child, yet no one's son.

Who am I?

John drives to his office at 20km/hr. After reaching the office, he realizes that today is a holiday. He went back at an average speed of 30km/hr. Discounting the time spent in the stoppage what was the average speed of his journey?