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

There is a certain crime, that if it is attempted, is punishable, but if it is committed, is not punishable. What is the crime?

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

ST ND RD TH '?'

A hen, a dog, and a cat are stolen. Three suspects are arrested named Robin, Steve, and Tim. The police are sure that all of them stole one of the animals but they don't know who stole which animal.

Sherlock Holmes is appointed to identify and is provided with the following statements from the investigation.

Robin - Tim stole the hen
Steve - Tim stole the dog
Tim - Both Robin and Steve are lying. I neither stole a hen nor a dog.

Sherlock is somehow able to deduce that the man who stole the cat is telling a lie and the man who stole the hen is telling truth.

Can you help him find out who stole which animal?

I look at you, you look at me I raise my right, you raise your left. What am I?

How can you leave a room with two legs and return with six legs?

A man escapes from jail using help from his girlfriend. The investigators suspect four girls of being the man's girlfriend.

Out of those four girls, one is his girlfriend who is lying. Two of the girls are completely innocent and are speaking the truth. One of the girls is the man's sister who is helping the girlfriend lie. Following are the statements from all four of them:

Ariana: "Myrna is his girlfriend."
Jane: "Angelina is lying."
Angelina: "Ariana is lying."
Myrna: "Jane is not his sister."

Can you find out who is the man's sister among them?

If you drop me I’m sure to crack, but give me a smile and I’ll always smile back. What am I?

Use only one mathematical symbol and all numbers (0-9) to get a sum of 99

What does this say?

XLR8