Which is the correct shadow of the bird?

Three ants are going up a hill, one behind the other. The last ant then says to the other ants, 'There is an ant behind me!'' How come?

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

I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

I came first on earth but second on the heaven.
I also came twice in a week but found just once in a year.
I stay away from months but you can find me in February.

What am I?

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?

Count The number of F's in the paragraph below:

"FINISHED FILES ARE THE RESULT OF YEARS OF SCIENTIFIC STUDY COMBINED WITH THE EXPERIENCE OF YEARS"

How can you write nineteen in a manner that if we take out one, it becomes twenty?

What is the riddle which can be asked all day with a different correct answer each time.

How many times can you subtract the number 5 from 25?