What goes up but never comes down?

What does below rebus means ?

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

Three playing cards in a row. Can you name them with these clues? There is a two to the right of a king. A diamond will be found to the left of a spade. An ace is to the left of a heart. A heart is to the left of a spade. Now, identify all three cards.

Find the number of squares in the below picture

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

How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?

You have a 12 liters jug full of water. You have two empty 8 liters and 5 liters jug. How can you divide the water into two equal parts using these jugs?

Akbar called Birbal and asked him to draw a line on the floor. He asked Birbal to make that line smaller without erasing it. Birbal smiled and did it before Akbar could blink his eyes.

How did he managed to do it?

When I get multiplied by any number, the sum of the figures in the product is always me. What am I?