Brain Teaser – 11 September 2026

I am as light as a feather, yet no one can hold me for long. What am I?

You have a candle, a box of thumbtacks, and a book of matches. You have to fix the lit candle to the wall so that it will not drip wax onto the floor below. How do you do it?

Two very short friends, John and Jack, were living together in an apartment. Since they frequently lost their apartment key, they decided to leave it on top of the door frame whenever they left home. In order to reach the key, John had to climb on Jack’s shoulders to take it down from the frame….