Which of the below owl is odd one out?

You’ll find me on Mercury, Earth, Mars, Jupiter, Saturn, and Uranus. But never Neptune, or Venus. What am I?

In two decks of cards, what is the least amount of cards you must take to be *guaranteed* at least one four-of-a-kind?

A bomb exploded in a room full of married couples and no one died. How?

In the addition below, all digits have been replaced by letters. Equal letters represent equal digits and different letters represent different digits.
ABCABA
BBDCAA
ABEABB
ABDBAA
------- +
AAFGBDH
What does the complete addition look like in digits?

How many pluses should we put between the digits of 987654321 to get a total of 99, and where?

Can you find the next number in the below sequence
3 , 7 , 10 , 11 , 12 , 17 ?

I travel all around the world but always stay in the corner. What am I?

What kind of tree can you carry in your hand?

Rearrange the letters in "new door" to make one word.