Below is the sum of symbols in each row and column in the figure. Analyzing the figure, can you find out the value of the symbols?

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

I am a white box having no key or lid.
Yet there is a golden treasure inside it.

What Am I?

Whats the next number in the below number sequence pattern.

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

How is this possible?

What has one letter and starts with an E?

He loves to dance, twist and prance, he shakes his tail, and as a way he sails, wingless he flies into the sky. What is he?

Below, you will find the mathematical proof that 10 equals 9.99999?. But is that possible or there is something wrong about it? Can you find the error?

x = 9.999999...
10x = 99.999999...
10x - x = 90
9x = 90
x = 10

In a mathematical quiz, you are asked the following question:

Use three 9s in a mathematical expression without dividing or multiplying to form the number one.

Can you answer the question?

John was drowned by he was not wet. How?