Find the missing letter in the last circle logically in the given below picture.

When I go in I might cause pain. I cause you to spit and ask you not to swallow. I can fill your hole. What am I?

There's a day, that comes around once a year.
To celebrate the man, you hold dear.
He gave you life, love and will pick you up if you fall.
When it comes to guys like him, He's the best of all.
Who is he?

What is both possible and impossible at the same time?

Why is 6 afraid of 7?

I am a five-letter word under you,
Remove the first letter and I am above you,
Remove the second as well and I am around you.

Who am I?

Replace the question mark with the correct number in below Picture:

The Puzzle: A girl, a boy, and a dog start walking down a road.

They start at the same time, from the same point, in the same direction.

The boy walks at 5 km/h, the girl at 6 km/h.

The dog runs from boy to girl and back again with a constant speed of 10 km/h. The dog does not slow down on the turn.
How far does the dog travel in 1 hour?

using four eights (8) and a one (1) and one mathematical symbol , create the number 100

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see? What is it?