Take away my first letter, then take away my second letter. Then take away the rest of my letters, yet I remain the same. What am I?

Nine marbles are arranged in the image below. Can you slide two marbles to form a square?

Find the next number in the series.
1 10 24 43 67 ?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

A plane crashed between the border of Mexico and America. Where do you bury the survivors?

Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?

While going to your grandmother's house, you counted Twenty houses on the right side. While returning back to your home, you counted Twenty houses on the left side.

How many houses are there between your home and your grandmother's home?

If nine thousand, nine hundred nine dollars is written as $9,909,
how should twelve thousand, twelve hundred twelve dollars be written?

A charming young lady was approached by a kind looking old woman in a restaurant. The old woman said to her, 'You look exactly like my younger daughter. Sadly she passed away a couple of months back. Could you do me a favor and say 'Goodbye, mother' with a kind smile on your face when I leave?

The young lady agreed for the same and said, 'Goodbye, mother' when the old woman left. Soon after, she got the most disengaging shock of her life.

Can you guess what the shock was?

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?