What can you deduce from the following BrainBat?

CRY
LMKI

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

I’m orange, I wear a green hat and I sound like a parrot. What am I?

Railroad Crossing, look out for the cars. Can you spell that, without any R's ?

John left on a horse on Thursday , was gone for two days, and came back on Thursday after completing his work. How did that happen?

It's a test that will check your IQ.

Suppose you have one 11 minute hourglass and one 13 minute hourglass.

Can you measure exactly fifteen minutes using them ?

Do you know of a place where the wind blows south and then suddenly shifts direction towards the north?

Find out a multi-digit number that if multiplied by the number 9 or any of its multiplications products (i.e. 18, 27, 36, 45,..) will result in the multiplication factor repeated (n) number of times.

What 5-letter word typed in all capital letters can be read the same upside down?

A donkey is behind another donkey
I'm behind that second donkey
But there is a whole nation behind me

It is a murder you can describe in a word.