What does this rebus means ?

PROG WORKRESS

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?

Forwards I am heavy, backward I am not. What am I?

You need to pick one entry from pot A and one from pot B to have a perfect match. Can you do it?

what one word does the below rebus identifies?

What goes up but never comes down?

See the given image carefully. What you have to do is move the blue checkers in the position of the black checkers and vice versa. You are only allowed to move the checker to an adjacent empty space. Do it in the least possible moves.

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?

There was a man he lives in a hotel each morning he presses the first floor button each evening if there is a person in the elevator he asks him to press the 10 floor button if there is no one in the elevator he takes the stairs why.

What is in seasons, seconds, centuries and minutes but not in decades, years or days?