Can you convert the number zero(0) into a positive number using just one mathematical operator ?

Can you find the 09 errors in the picture below?

I have a big mouth and I am also quite loud! I am NOT a gossip but I do get involved with everyone's dirty business.

You are mixing a mixture of cement and Sand with five gallons of water. You have a garden hose giving you all the water you need. The problem is that you only have a four-gallon bucket and a seven-gallon bucket and neither has graduation marks. Find a method to measure five gallons.

What do you get if you add 2 to 100 four times?

We have arranged an array of numbers below. What you have to do is use any kind of mathematical symbol you know excluding any symbol that contains a number like cube root. You can use any amount of symbols but you have to come up with a valid equation for all of them.

0 0 0 = 6
1 1 1 = 6
2 + 2 + 2 = 6
3 3 3 = 6
4 4 4 = 6
5 5 5 = 6
6 6 6 = 6
7 7 7 = 6
8 8 8 = 6
9 9 9 = 6

Replace each alphabet with the number (1-9) to make the below equation correct.

AB * C = DE - F = GH / I

Which statement is true out of the following?
One statement here is false.
Two statements here are false.
Three statements here are false.

How many letters are in the alphabet?

A man dies of old age on his 25 birthday. How is this possible?