Can you find out which number multiplied by itself will give the output as 12345678987654321?

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

What can you see in the middle of March and April that you can never see in any other month?

In one of the popular batman series movie "Batman Forever", there was a riddle that goes like "Tear me off and then scratch my head and I was red then and now I am back. Who am I?

What does below chemistry rebus means?

A mother bought three dress for her triplets daughters(one for each) and put the dresses in the dark. One by one the girls come and pick a dress.
What is the probability that no girl will choose her own dress?

Two men play a dice game involving roll of two standard dice. Man X says that a 12 will be rolled first. Man Y says that two consecutive 7s will be rolled first. The men keep rolling until one of them wins.

What is the probability that X will win ?

Find the Goldfish below the given Image.

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.

When monkey rotate the gear, which mark will be hit 1 or 2 ?