A professor thinks of two consecutive numbers between 1 and 10.
'A' knows the 1st number and 'B' knows the second number

A: I do not know your number.
B: Nor do I know your number.
A: Now I know.

What are the four solutions for this?

We have shown you a regular water barrel as below. Without using any measuring device can you check if the barrel is more than half-filled or less than half-filled?

Jigsaw captured 100 people and make them stand in a circle and all these people are labelled as Person1, Person2, Person3... Person100. He made them play a crazy game in which Person 1 shot Person 2 and pass the gun to the next person and so on until one stands alive.

Which person will survive in the end?

In the given picture, in how many ways can you read the word "Tiger"?

Why do we preferably have round manhole covers and not square ones?

I noticed one of the words in the oxford dictionary is spelled incorrectly. What about you?

I’m tall when I’m young, and I’m short when I’m old. What am I?

In the Mexico City area, there are two Houses H1 and H2. Both H1 and H2 have two children each.
In House H1, The boy plays for Mexico Youth academy and the other child plays baseball.
In House H2, The boy Plays soccer for his school in Mexico and they recently have a newborn.

Can you prove that the probability of House-H1 having a girl child is more than that of House-H2?

Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

A man was just doing his job when his suit was torn. Why did he die three minutes later?