I am the black child of a white father, a wingless bird, flying even to the clouds of heaven. I give birth to tears of mourning in pupils that meet me, even though there is no cause for grief, and at once on my birth, I am dissolved into air. What am I?

In which direction should the missing arrow point?

What jumps when it walks and sits when it stands?

Who is that with a neck and no head, two arms and no hands? What is it?

2, 3, 5, 9, 17, _ What is the next number in the sequence?

Three fair coins are tossed in the air and they land with heads up. Can you calculate the chances that when they are tossed again, two coins will again land with heads up?

What can jump higher than a building?

Can you identify the hidden rebus in the image below?

A donkey is behind another donkey
I'm behind that second donkey
But there is a whole nation behind me

It is a murder you can describe in a word.

You need to move three matchsticks to form three squares. Can you do it?