What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see?

Give it food and it will live; give it water and it will die.

It belongs to you, but other people use it more than you do. What is it?

John is looking at Jenifer, but Jenifer is looking at Jacob. John is married, but Jacob is not.

Is a married person looking at an unmarried person ?

Which tank will fill first?

What is both possible and impossible at the same time?

What is the coolest letter in the alphabet?

John left on a horse on Thursday , was gone for two days, and came back on Thursday after completing his work. How did that happen?

If you drop a 15 kg iron bar and a 5 kg bag of cotton from a height of 50 meters which will reach the ground first?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see? What is it?