Logical Number in Center

What number should come in place of the question mark below?

Logical Number in Center




Similar Riddles

To attend world science seminar, A famous chemist from Mexico visit
London. In the lab, the scientist was killed and his six assistants were under suspicion of killing the chemist.
Name of six assistants: Austin, Wayne, Dege, Oscaru, Lingard, and Rojo.
He left a note "76-20-44 79-16-22-7"

A local detective Jack was called to solve the case,

After reading the note, Jack instantly asked the police to arrest the murderers.

Who are the murderers?

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Can you identify the famous TV character from the rebus below?

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In the below-given picture of a pretty girl, there is something wrong. Can you find out what it is?

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While preparing the table for dinner, wife came up with an idea to tease his mathematician husband. She asked her husband to pick nine toothpicks and make ten without breaking any toothpick.

The husband was also smart and did it within seconds. How ?

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A sundial has the fewest moving parts of any timepiece. Which has the most?

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I am a word that begins with the letter “i.” If you add the letter “a” to me, I become a new word with a different meaning, but that sounds exactly the same. What word am I?

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What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?

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My cousin lives in one story house in Antarctica. His house is made the of-of sandstone. what is the color of stairs?

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How many words can a pen with half refill write?

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I come in different shapes and sizes.
Parts of me are curved, other parts are straight.
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Amazing Facts

Gambling

In Canada, a mathematical puzzle must be solved in order to win the lottery to classify it as a “game of skill” not gambling.