What always comes into a house through the keyhole?

A man has a barrel filled with oil that weighs 100 pounds, and then he puts something into it. Now the barrel weighs less than 100 pounds. What did he put in the barrel?

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

When does a USA Potato change its nationality?

You need to arrange three 7 and mathematical symbols to form number 1?

In a town, there are four houses located at different distances from each other. Following are the distances:

The third house is 60 meters apart from the first house.
The fourth house is 40 meters apart from the second house.
The third house is 10 meters nearer to the fourth house than it is to the second house.

Can you find out the distance between the fourth and the first house?

What is black when you buy it, red when you use it, and gray when you throw it away?

What begins with T, ends with T, and has T in it?

You’ll find me on Mercury, Earth, Mars, Jupiter, Saturn, and Uranus. But never Neptune, or Venus. What am I?

Identify The phrase in the picture.