How many sides does a circle have?

A sea diver is a real show-off. He showed everyone that he can hold his breath underwater for 15 minutes.

I went to the diver and told him that I can be underwater for double the time i.e 30 minutes.
He responded that he will give me 100$ if I would be able to do it. I won 100$.

What did I do?

I am sometimes honest
Sometimes dishonest
I can be sweet and also bitter
I can hurt you real bad and
also make u smile and blush ☺️
What am I?

What 5-letter word typed in all capital letters can be read the same upside down?

Highly detail-oriented individuals excel at this type of optical illusion challenge. It requires not just good eyesight but also the ability to distinguish subtle differences quickly. Finding the 6 among all these 9's could indicate a high level of IQ and superior observational skills.

Readers with high attention to detail can identify the vampire in the picture. Can you?

No matter how little or how much you use me, you change me every month. What am I?

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

I am Huge on Sunday and Saturday.
I am small from Tuesday to Thursday.
I do not exist on Monday and Friday.
Who am I?

Which is Odd One Out and why?

4377

3954

9862

8454

9831