How many sides does a circle have?

What is the below Rebus indicate?

Which is heavier: a ton of bricks or a ton of feathers?

Decode the below four famous ciphers:

8P of the SS
1M of the E
1S of the SS
60M in 1H

Using four sevens (7) and a one (1) create the number 100. Except for the five numerals, you can use the usual mathematical operations (+, -, x, :), root and brackets ()

You are camping with your friends. You have a flashlight for any emergency and have brought 8 batteries along with you. Your brother calls to tell you that four of those batteries are already dead.

Your flashlight requires two working batteries to run. What is the least number of pairs you will need to test to guarantee that you can get the flashlight on?

There was a man he lives in a hotel each morning he presses the first floor button each evening if there is a person in the elevator he asks him to press the 10 floor button if there is no one in the elevator he takes the stairs why.

Wednesday, Steve and Pam go to a restaurant to eat lunch. After eating lunch, they pay the bill. But Steve and Pam do not pay the bill. So…who does?

What is the next shape from answers A, B, C, and D figure?

I don't get anymore wetter, no matter how much rain falls on me.