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

There is a number which when you multiply by 3 and subtract 2 from the result, then the resulting number is the reverse of the actual number.

What is the smallest number that stands true on the statement?

Things are just as they seem, right? Well, check again.
Can you count the number of tigers in this picture ?

It is always ahead of me yet I can never see it. What is it?

What Time Should the last watch show in the below figure?

If we add four times the age of John four years from now to five times his age five years from now we get ten times his current age.

How old will John be two years from now?

By using 'because' continuously three times, can you make an English statement ?

I come in different shapes and sizes.
Parts of me are curved, other parts are straight.
You can put me anywhere you like,
but there is only one right place for me.
What am I?

What occurs twice in a week, once in a year but never in a day?

I am looking for a word that change both gender and number when i add the letter 'S'.

What Word am I Looking For ?