I have feet, but no legs. Which animal Am I?

Which alphabet letter is a question?

What is red and smells like blue paint?

Decode the below four famous ciphers:

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

Replace the question mark with the correct number.

2 + 2= 4
3 + 3= 18
4 + 4= 48
5 + 5= ?

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

You see me once in June, twice in November, and not at all in May. What am I?

Solve this tricky question. You are trapped in a forest. With you, you have a gun preloaded with two bullets in it. In front of you, there is a tiger, a leopard and a jaguar.

How do you survive?

In front of you, there are 9 coins. They all look absolutely identical, but one of the coins is fake. However, you know that the fake coin is lighter than the rest, and in front of you is a balance scale. What is the least number of weightings you can use to find the counterfeit coin?

Can you complete the sequence?

192, 021, 222, 324, 252, 627, 2__, 9__?