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

How is this possible?

Can you count the number of quadrilaterals in the picture below?

Find the next number in the series

12, 20, 40, 72, 116, 172 ?

Can you replace the question mark with the correct number?

What is the centre of gravity?

A boy was driving a car, a girl took a lift from her. She asked his name. The boy said - my name is hidden in my car’s number, find it if you can. After this, she got down Car number was [ WV733N ] Can you guess the name now?

It is a six-letter word.
The first four letters are me.
The second and last letters are the same.
The fourth second and last letter is payment.

Who is it?

If you drop me I’m sure to crack, but give me a smile and I’ll always smile back. What am I?

By moving exactly three matchsticks can you make the below equation true.It can be solved by 3 ways.

How can you write nineteen in a manner that if we take out one, it becomes twenty?