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

Only one colour, but not one size,
Stuck at the bottom, yet easily flies.
Present in sun, but not in rain,
Doing no harm, and feeling no pain.
What is it?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

A King wants to send the diamond ring to his girlfriend securely. He got multiple locks and their corresponding keys. His girlfriend does not have any keys to these locks and if he sends the key without a lock, the key can be copied in the way. How can King send the ring to his girlfriend securely?

Buy me, smell me or deliver me, I do not change.

Who am I?

Why Aeroplane windows are round?

A blonde put eyeliner on her head. Why?

What does this rebus picture identify?

I can write cow in 13 letters.

Can You?

Which tank will fill first?