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

Replace the question mark with the correct number.

A man in a car saw a Golden Door, Silver Door and a Bronze Door. What door did he open first?

Why is the longest human nose just 11 inches?

Which fur should we be getting from the Lion?

I’m tall when I’m young, and I’m short when I’m old. What am I?

Solve the below puzzle by replacing the question mark with the correct number.

3 6 12

4 8 16

5 10 ?

A train leaves from point A for point B at 80 mph. After half an hour, another train leaves from point B for point A at 60 mph.

Which of the trains will be farther from point A when they meet ?

I am a number I am not an odd number I am higher than 90 I am not higher than 100 If you subtract me from 100, you get nothing. What number am I?

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?