What's the next in the series?

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

What can jump higher than a building?

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

I can be cracked, made, told, and played. What am I?

Can you solve the below algebraic mathematical equation?

(J+O+I+N+T)3 = JOINT

Take away the whole and some still remain. What is it?

Two natural numbers have a sum of less than 100 and are greater than one.

John knows the product of the numbers and Jacob knows the sum of numbers.

The following conversation takes place between them:
John: 'I am not aware of those numbers.'
Jacob: 'I knew you wouldn't be. I am not aware myself.'
John: 'Now I know them!'
Jacob: 'Now I know them, too!'

What are the two numbers?

In which direction should the missing arrow point?

Which five letter word can be added at the end of below word to form a
valid word?

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How can you spell "White of an egg" in one word?
Hint: I know you can spell coke, poke, and joke.