If 21x = 79x, what is the value of x?

Do You See It?

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

A word I know has six letters it contains, remove one letter and 12 remain. What is it?

Get total of 120 by using five zeros 0,0,0,0,0 and any one mathematical operator.
Do you ?

What is the word or phrase?

Why do Chinese men eat more rice than Japanese men do ?

What is the word or phrase below?
R | E | A | D

Find three numbers such that When we multiply three numbers, we will get the prime numbers. The difference between the second and the first number is equal to the third and second.

What do you call a fish without an eye?