Rectify the following equality 101 - 102 = 1 by moving just one digit.

What can go up a chimney down, but can’t go down a chimney up?

How many words can a pen with half refill write?

In the city of Brain Teasers, 5% of people do not list their phone numbers. Now if we select random 100 people from the phone directory, then how many people selected will have unlisted phone numbers?

You are given four results as below:
1111 = F
2222 = E
3333 = T
Then, can you find out how to code 4444?

Two boys wish to cross a river. The only way to get to the other side is by boat, but that boat can only take one boy at a time. The boat cannot return on its own, there are no ropes or similar tricks, yet both boys manage to cross using the boat.

How?

John killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

You have a square. What you have to do is cut and reassemble the square such that you create a Red Cross sign that has the same volume as that of the square.

What makes this number unique: 8,549,176,320?

There is something which is always coming but never arrives?