Why is Saturday stronger than Monday?

Forwards I am heavy, backward I am not. What am I?

Teacher ask the student

'Why are you standing on that chair in music class ?'.

what did student replied ?

Most people think of me as money. But when they find me in the water, they won’t get any money out of me. What am I?

What is harder to catch the faster you run?

Who is that with a neck and no head, two arms and no hands? What is it?

There was once a college that offered a class on probability applied to the real world. The class was relatively easy, but there was a catch. There were no homework assignments or tests, but there was a final exam that would have only one question on it. When everyone received the test paper it was a blank sheet of paper with a solitary question on it: 'What is the risk?'.Most students were able to pass, but only one student received 100% for the class! Even stranger was that he only wrote down one word!
What did he write?

Which wheel of car does not rotate when you turn your car right?

What building has the most stories?

There are forty elephants and they have forty-fore heads. How can this be possible?