Hard riddles to test your mental acuity

What word in the dictionary i-Hard Riddle

What word in the dictionary is spelled incorrectly?

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

A bus driver goes the wrong way on a one-way street. He passes the cops, but they don't stop him. Why?

How can you put a pencil on the floor where no one can jump over it?

Answer: Put it by the wall in the corner.

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

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

A house of wood in a hidden place. Built without nails or glue. High above the earthen ground It holds pale gems of blue.

I drive men mad for love of me, easily beaten, never free.

Why do ducks have tail feathers?

It is an insect, and the first part of its name is the name of another insect. What is it?

Imagine you are deserted on an island lighted up with fire. You have no bucket so you cannot use the seawater. How do you escape?

What begins with an "e" and only contains one letter?

Which letter of the alphabet has the most water?

What's black when you get it, red when you use it, and white when you're all through with it?

Take one out and scratch my head I am now black but once was red.