Can you identify the hidden rebus in the image below?

A 3 digit number is such that it's unit digit is equal to the product of the other two digits which are prime. Also, the difference between it's reverse and itself is 396.

What is the sum of the three digits?

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

Find the number of squares in the below-given picture.

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 lion and its tamer are standing inside a cage that measures 1 unit in radius. Both of them can effortlessly run at the speed of 1 unit maximum.

1) Suppose the lion is hungry, will he be able to eat up the tamer?
2) If yes, how long can the tamer survive?

what does this below rebus represent identXQQQQQME

I know a nine-letter word having only one vowel.
Do you ?

How many words can a pen with half refill write?

What seven-letter word has hundreds of letters in it?