When my father was 31 I was 8. Now he is twice as old as me. How old am I?

What is the word or phrase?

Can you count the number of children in the picture below

How many times can you subtract the number 5 from 25?

If two fifty-foot ropes are suspended from a forty-foot ceiling that is twenty feet apart, how much rope will you be able to steal if you have a knife?

Can you solve the below geography rebus by decoding the below rebus ?

Replace the (?) with the correct mathematical signs to make the expression equal to 59.

18 ? 12 ? 4 ? 5 = 59

You have an empty wine bottle with a cork that has been secured at the top in a normal way. There is a metal ring inside the bottle that is suspended by a string.

How can you make the metal ring drop to the bottom if you are not allowed to touch anything - not the bottle, not the cork, not the thread and not the ring?

How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

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