There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes

One is to three as three is to five and five is to four and four is the magic number.
What is the pattern?

A man is found hanging dead from the ceiling of a room. The room’s dimensions are 15 x 15 x 15. The man is only 6ft tall and the rope was only 2ft long. There are no windows and only one door to the room. The door is bolted shut from the inside, and a puddle of water is under the man. How did he kill himself?

Alex opened 24 presents
Jonah opened 8 presents
Clara opened 1 present

Can you find out how many presents were opened by Candy?

Twice ten are six of us,

Six are but three of us,

Nine are but four of us;

What can we possibly be?

Would you know more of us?

Twelve are but six of us,

Five are but four, do you see?

What are we?

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

A father's child, a mother's child, yet no one's son.

Who am I?

What can you hold in your right hand, but never in your left hand?

You are in a land where thirty men and two women were dressed in classic black and white dresses.
They begin to fight as soon as any of them move.

Where are you?

You have a three-gallon and a five-gallon measuring device. You wish to measure out four gallons.