The teacher told the student that if he told a lie then he will be expelled from school and if he told the truth then he still is expelled from school.

What can a student say to prevent his being expelled from school?

A Doctor always sneezes before the rain. Doctor sneezes, Will it rain?

If we change the South-East direction into North and North-East into West and all others similarly.
Can you find out which direction will be in the place of South-West direction?

What work can one never finish?

Two natural numbers have a sum of less than 100 and are greater than one.

John knows the product of the numbers and Jacob knows the sum of numbers.

The following conversation takes place between them:
John: 'I am not aware of those numbers.'
Jacob: 'I knew you wouldn't be. I am not aware myself.'
John: 'Now I know them!'
Jacob: 'Now I know them, too!'

What are the two numbers?

What do you think with the below Picture ?

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"

Use only one mathematical symbol and all numbers (0-9) to get a sum of 99

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

Which country gets ill every time?