Which is heavier: a ton of bricks or a ton of feathers?

Create a number using only the digits 4,4,3,3,2,2,1 and 1. So i can only be eight digits. You have to make sure the ones are separated by one digit, the twos are separated by two digits the threes are separated with three digits and the fours are separated by four digits

This is a classy optical illusion puzzle. What more you can find except bricks in the image below?

Until it is measured, not known. Yet how you miss it when it has gone. What is it?

By moving exactly three matchsticks can you make the below equation true.It can be solved by 3 ways.

Two-person want to cross a river. Only one boat is present on the riverside that can carry only one person at a time.

However, they still manage to cross the river. How is it possible?

Why is 6 afraid of 7?

I have branches, but no fruit, trunk or leaves. What am I?

Twenty frogs are sitting on a log floating on the surface of a river. Two of them decide to jump off into the water.

How many frogs are there on the log at this moment?

In the given figure, you can see that four match sticks are used to form a square. Can you form five squares by using six matches?