Which of the below owl is odd one out?

What has 13 hearts but no other organs?

Three doctors said that Bill was their brother. Bill says he has no brothers. How many brothers does Bill actually have?

A high school has a strange principal. On the first day, he has his students perform an odd opening day ceremony:

There are one thousand lockers and one thousand students in the school. The principal asks the first student to go to every locker and open it. Then he has the second student go to every second locker and close it. The third goes to every third locker and, if it is closed, he opens it, and if it is open, he closes it. The fourth student does this to every fourth locker, and so on. After the process is completed with the thousandth student, how many lockers are open?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

We can be boring,Or interesting.
We can be long,Or short.
We can have pictures,Or just words.
Many love us,But many also hate us.
What are we?

What does this Rebus Picture means ?

A Child was born in Lahore, Pakistan.

Still child is not a Pakistani citizen.why ?

You knock a Table over in the library, and suddenly 20 eyes are looking at you.

A network of 20 x 10 squares is given to you.

Can you calculate how many unique squares and rectangles can be formed combining two or more individual squares ?