What number when divided in half becomes zero?

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?

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

ST ND RD TH '?'

why number 8549176320 is one of a kind?

I can sizzle like bacon,
I am made with an egg,
I have plenty of backbone, but lack a good leg,
I peel layers like onions, but still remain whole,
I can be long, like a flagpole, yet fit in a hole.

In a boat, the father of a sailor's son is sitting with the son of the sailor. However, the sailor is not present on the boat.

Can this even be possible?

Which Number is the odd one out?

A) 7145
B) 2716
C) 5321
D) 4135

Who is that with a neck and no head, two arms and no hands? What is it?

Can you identify the hidden rebus in the image below?

Find the next number in the series

12, 20, 40, 72, 116, 172 ?