Take away my first letter, then take away my second letter. Then take away the rest of my letters, yet I remain the same. What am I?

John was piloting a plane behind a car but was never able to overtake it. Why?

What common phrase is represented by the below lines

Easy going:
Weak, 'I'm going.'
Tough, 'I'm staying.'

Medium going:
Weak, 'I'm going.'
Tough, 'I'm staying.'

Tough going:
Weak, 'I can't do it, I'm staying!'
Tough, 'Let's get going.'

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?

If you remove one from eleven, it becomes ten. If you remove one from nine, it becomes ten.

How is this possible?

Next Number in the Series,

5, 16, 49, 104, ?

I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?

You have an empty wine bottle with a cork that has been secured at the top in a normal way. There is a metal ring inside the bottle that is suspended by a string.

How can you make the metal ring drop to the bottom if you are not allowed to touch anything - not the bottle, not the cork, not the thread and not the ring?

What can you catch but never throw?

I cry without having a voice.
I fly without having wings.
I bite without having teeth.
I whisper without a mouth.

Who am I?