The more of this there is, the less you see. What is it?

A man and a dog were going down the street. The man rode, yet walked. What was the dog’s name?

The dirtier I get, the whiter I look. Who am I?

What you cannot hold but it is yours?

The more you take me, the more you leave me behind.
Who Am I?

I’m tall when I’m young, and I’m short when I’m old. What am I?

Fate has decided that you will only be pleased to meet me when you need me

Maybe that is why, when I am working, I start working

However annoying I may be to the regulars, the little ones are always inspired

I will always be waiting if you try to reach me

How many of you can guess my name, let me see

Samuel was out for a walk when it started to rain. He did not have an umbrella and he wasn't wearing a hat. His clothes were soaked, yet not a single hair on his head got wet. How could this happen?

I have a clock(12-hour format) and both the needles of the clock overlap at 12:00.
After how much time, they will overlap again?

A new Engineering building containing 100 offices had just been completed. John was hired to paint the numbers 1 to 100 on the doors. How many times will John have to paint the number nine (9)?