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

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T M C
A U O
H S M
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In an office's desk, you find a unique method that shows the current day of the month. Two numbered cubes are used to depict the current date.

Can you find out the numbers on both the cubes so that each date can be mentioned using them?

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Katniss and Peeta are liars. They both lie on some specific days.

Katniss lies on Fridays, Saturdays and Sundays. She speaks the truth on all other days.

Peeta lies on Tuesdays, Wednesdays and Thursdays. He speaks the truth on all other days.

Can you tell that one day of the week when both of them will say "Tomorrow, I will lie."?

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Find the number of squares in the below picture

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what's the probability of getting a king or a queen from a pack of 52 cards?

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When I get multiplied by any number, the sum of the figures in the product is always me. What am I?

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Only one color, but not one size,
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You have a square. What you have to do is cut and reassemble the square such that you create a Red Cross sign that has the same volume as that of the square.

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Amazing Facts

Challenging

There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.