What do you think with the below Picture ?

Can you replace the question mark with the correct letter?

6 + 6 + 6 = N
7 + 7 + 7 = E
8 + 8 + 8 = R
0 + 0 + 0 = ?

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?

Samuel was out for a walk when it started to rain. He did not have an umbrella and he wasn't wearing a hat. His clothes were soaked, yet not a single hair on his head got wet. How could this happen?

Teacher ask the student

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

what did student replied ?

In an Art Gallary, When the clock hit 11 am, Artist hung the painting number 30. When it struck 4 pm, he hung painting number 240 and when it struck 7:30 pm, he hung painting number 315.

Can you determine, which painting number will he hang when the time is 9:20 pm?

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

I taste better than I can smell. Who am I?

Women do it once a year after they turn 19 but men get to do it only once in a lifetime. What is it?

I guess 76.8% of readers will like this riddle.

What's the least number of people should read this post?