Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

How many cubic feet of dirt are in a hole of one foot deep, three feet long, and two feet wide?

John left on a horse on Thursday , was gone for two days, and came back on Thursday after completing his work. How did that happen?

What is so fragile that saying its name breaks it?

I left my campsite and hiked south for 3 miles. Then I turned east and hiked for 3 miles. I then turned north and hiked for 3 miles, at which time I came upon a bear inside my tent eating my food! What colour was the bear?

When it is alive we sing, when it is dead we clap our hands. What is it?

Two natural numbers have a sum of less than 100 and are greater than one.

John knows the product of the numbers and Jacob knows the sum of numbers.

The following conversation takes place between them:
John: 'I am not aware of those numbers.'
Jacob: 'I knew you wouldn't be. I am not aware myself.'
John: 'Now I know them!'
Jacob: 'Now I know them, too!'

What are the two numbers?

An equation has been laid down using a few matchsticks. However, as you can see, the equation is not correct. Can you correct the equation if you are allowed to add or remove 5 matchsticks?

A word I know,
Six letters contain,
Subtract just one,
And twelve is what remains.

Decode the movie name from the below picture?