What goes up but never comes down?

Imagine a box with two cogwheels, one big with 24 teeth and one small with 8 teeth. The big one is firmly attached to the center of the box which means it does not turn or move while the small one rotates around the big one.

How many times do you think that the smaller wheel will turn compared to the box when it turns once around the big one?

A man calls his dog from the opposite side of a river. The dog crosses the river without a bridge or a boat and manages to not get wet. How is this possible?

Can you name three consecutive days without using the words Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, or Sunday?

It is deaf, Dumb and Blind!!!

Still, always tells the truth. What is it?

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?

You have two bottles of pills marked with labels A and B. The pills are identical. The doctor has asked you to take one A pill and one B pill daily. You cant take more or less than that.

While taking out the pills one day, you took out one pill from A and by mistake took out two from B. You have no idea which pill is which now.

You cant throw away the expensive pills. What will you do now?

What number should come in place of the question mark below?

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

What will be the best approach to finding all the prime numbers less than 75 that leave an odd reminder when we divide them with 5?