Hard riddles to test your mental acuity

A plane crashed between the border of France and Belgium. Where were the survivors buried?

Answer: They weren’t. Survivors don’t need to be buried.

Poor people have it. Rich people need it. If you eat it you die. What is it?

What runs, but never walks. Murmurs, but never talks. Has a bed, but never sleeps. And has a mouth, but never eats?

You walk into a room that contains a match, a kerosene lamp, a candle, and a fireplace. What would you light first?

If your uncle’s sister is not your aunt, what relation is she to you?

The 22nd and 24th presidents of the United States of America had the same parents but were not brothers. How can this be possible?

Answer: They were the same man—Grover Cleveland

If two’s company, and three’s a crowd, what are four and five?

Sara has four daughters, and each of her daughters has a brother. How many children does Sara have?

Answer: Five—each daughter has the same brother.

Two fathers and two sons are in a car, yet there are only three people in the car. How?

Answer: They are grandfather, father, and son

How much dirt is in a hole that’s two feet by three feet?

What begins with an “e” and only contains one letter?

What word in the dictionary is spelled incorrectly?

What word is pronounced the same if you take away four of its five letters?

What can fill a room but takes up no space?

What five-letter word becomes shorter when you add two letters to it?

Answer: Short (add two letter  e and r it becomes "Shorter")

100+ Hard riddles to test your mental acuity