How can one talk without saying a single word?

Can you write down eight eights so that they add up to one thousand?

The following question it puts forth you:

25 - 55 + (85 + 65) = ?

Then, you are told that even though you might think it's wrong, the correct answer is actually 5!

Whats your reaction to it? How can this be true?

You need to remove two matchsticks to make the below equation true. Can you do it ?

Pronounced as one letter,
And written with three,
Two letters there are,
And two only in me.
I am double, I am single,
I am black blue and grey,
I am read from both ends,
And the same either way.

Pronounced as 1 letter, And written with 3, 2 letters there are, and 2 only in me. I’m double, I’m single, I’m black blue and grey, I’m read from both ends, and the same either way. What am I?

Can you find the missing letter in the sequence?
S - T - I - L - ? - T - F - Y - C

Today is John's birthday.
A year ago, John had five candles and he lit all the candles except the one at the last.
Now he is going to light all the candles.

How old is John Today?

(He is not five today.....)

Decode the below four famous ciphers:

8P of the SS
1M of the E
1S of the SS
60M in 1H

When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?