I have four wings but can't fly.
I express no emotions.
I am found on the exact spot every time you look.
I keep toiling away with a little sound.

Do you know what am I?

How can you make number one disappear by adding something to it?

A woman is sitting in her hotel room and hears a knock at the door. She opens the door to see a man whom she’s never met before. He says, “I’m sorry, I have made a mistake, I thought this was my room.” He then goes down the corridor and into the elevator. The woman goes back into her room and calls security. What made the woman so suspicious of the man?

It's a 7-letter word.
If we remove 1 letter from it, it remains the same.
If we remove 2 letters from it, it remains the same.
If we remove 3 letters from it, it remains the same.
If we remove all the letters from it, still it remains the same.
What is it?

10+10 and 11+11 can give you the same answer.

Explain how?

Which of the below owl is odd one out?

If you drop a 15 kg iron bar and a 5 kg bag of cotton from a height of 50 meters which will reach the ground first?

There are nine letters in the below-given diagram. You have to form a nine-letter word using these letters.

I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?

What is the largest amount of money that you can possess in change and still if someone asks you for a dollar, you won't be able to give?