What goes up but never comes down?

There is an exact a week gap between Christmas and New Year. Hence, It is obvious that the new year that comes right after Christmas comes on the same day of the week.

A Strange thing happened in the Year 1777. Christmas occurs on Wednesday and New Year on Monday. How is that possible?

He digs out tiny caves and stores gold and silver in them. He also built bridges of silver and made crowns of gold. They are the smallest you could imagine. Sooner or later everybody needs his help, yet many people are afraid to let him help them. Who is he?

Which is faster, Heat or Cold ? Explain.

What can you catch but never throw?

You need to pick one entry from pot A and one from pot B to have a perfect match. Can you do it?

By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?

What is the last thing you take off before bed?

Can you find the company name in the pictogram below?

what does this below rebus represent identXQQQQQME