In a concert, Christina is performing a dance show with her group.
At 10:00, she and her crew were dancing in an absolutely straight line. At that time Christina was standing in 4th position from both the front and back end of the row.

What was the size of her crew?

Why is it very easy to weigh a fish?

In a secret society, a buried chamber can be accessed only via a secret password. The password is seven characters long and comprises of just letters and numbers.

You find a code that can help you in cracking the password. The code says "You force heaven to be empty".

Can you deduce the password from that?

My location can be determined by the below rebus.
So where am i ?

When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

A man says, "Brothers and sisters, have I none, but that man's father is my father's son." Who is that man?

The chance of Mr John winning the lottery is 10%. All participants lined up and Mr John is 4th in the row. The first three participants lose the lottery.

What is the chance of Mr John now?

Baseball bat and ball cost $100. If the bat cost $99 more than the ball, what is the cost of each?

John went to a parrot shop in Mexico, and the parrot owner told him that his parrot is so unique that he repeats everything he hears. John got excited and immediately bought the parrot. John went home and spoke many words, but the parrot does not repeat anything.
He went again to the parrot shop and complaint to the shopkeeper, but the shopkeeper never lied. Explain?

2, 3, 5, 9, 17, _ What is the next number in the sequence?