What's the next in the series?

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?

John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?

Outside a tattoo artist's shop, there was a signboard which read 'I make tattoos on only them who do not tattoo themselves'.

Reading it what do you think, does the tattoo artist tattoo himself?

How many triangles can you count in the figure given?

Why did Buffon take the goal with him after every Juventus match?

Find out which of the given views in the picture is accurately the top view of the given pyramid.

Using eight eights and addition only, can you make 1000?

I am a type of food that is often found in the fridge and can be white in colour. What I am?
Hint 1: I am a dairy product.
Hint 2: You can spread me on the bread.

If 21x = 79x, what is the value of x?

How many triangles are there in the picture below?