If you remove one from eleven, it becomes ten. If you remove one from nine, it becomes ten.

How is this possible?

Move four matchsticks to the below square to form three squares?

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

Assume the given figure to be a delicious doughnut. Yes, now you can concentrate more on the puzzle. So you have this delicious doughnut in your refrigerator when your friends come knocking at the door. There are eight of them. Now you have to make three cuts in this doughnut so that each one of you nine people can enjoy a piece of it. Neither you nor your friends would mind the size of their piece as long as they are getting it. How will you do it?

There are 2 sand hourglasses.

The small one can measure 5 hours and the large one can measure 7 hours.

How can we measure 16 hours with 2 sand hourglasses running together ?

There is a unique number which when multiplied by any number from 1 to 6, we will get the new number that contains the same digits only.

Can you find that number?

On rolling two dices (six-sided normal dice) together, what is the probability that the first one comes up with a 2 and the second one comes up with a 5?

Count the number of triangles in the picture below:

why number 8549176320 is one of a kind?

Why is Saturday stronger than Monday?