I was speeding and ran through a stop sign, yet two traffic officers who were there do nothing about it.

why?

I am a type of word that is spelt incorrectly or used differently, on purpose for humour. What am I?
Hint 1: You can find me in a joke.
Hint 2: I am a play on words.

Can you fill the blank with the correct number?

6 30 870 756030 _____

You are given four results as below:
1111 = F
2222 = E
3333 = T
Then, can you find out how to code 4444?

I have a big mouth and I am also quite loud! I am NOT a gossip but I do get involved with everyone's dirty business.

There was a blind man. He had four socks in his drawer either black or white. He opened it and took out two socks. Now the probability that it was a pair of white socks is 1/2.

Can you find out the probability that he had taken out a pair of black socks ?

Decode below three cipher riddles:

26 L of the A
7 D of the W
1000 Y in a M

What can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps?

Complete the series by replacing "?" with the correct number.

ST ND RD TH '?'

15 caves are arranged in a circle at the temple of doom. One of these caves has the treasure of gems and wealth. Each day the treasure keepers can move the treasure to an adjacent cave or can keep it in the same cave. Every day two treasure seekers visit the place and have enough time to enter any two caves of their choice.

How do the treasure seekers ensure that they find the treasure in the minimum number of possible days?