The doctor prescribed you to take one pill from the bottle every half an hour. The bottle is now left with only three pills.

How long do you think you have before you run out of pills?

Which Burger Is Different in below image?

O_er_t_o_

Complete the missing letters of the given word.

A word I know,
Six letters contain,
Subtract just one,
And twelve is what remains.

What question can you never answer yes to?

I have an eye but still cannot see.

Who am I?

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?

What can go through glass without breaking it?

An American nightclub called 'The Coconut Grove' had a terrible fire in which over 400 people died. A simple design flaw in the building led to a high death toll. Subsequently, regulations were changed to ensure that all public buildings throughout the country eliminated this one detail, which proved deadly. What was it?

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