I am looking for a word that change both gender and number when i add the letter 'S'.

What Word am I Looking For ?

You Throw The Outside, Cook The Inside
Eat The Outside, Throw The Inside.

What Is It?

You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?

It comprises roots which nobody sees,
Much taller than those trees,
Up and up it goes,
Still it never grows?

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"

I am taken from a mine and shut up in a wooden case, from which I am never released, and yet I am used by almost every person. What am I?

I’m orange, I wear a green hat and I sound like a parrot. What am I?

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

During which month do people sleep the least?

Which Burger Is Different in below image?