puzzle

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Brain Game: Hey, Nineteen

America's states are favorite subjects for the mentalfloss.com Brain Game Tuesday Test Time challenge. Good luck! Which non-coastal U.S. state (not along the Atlantic, Pacific, or Gulf of Mexico) is the flattest in the nation, with the smallest difference between its highest and lowest elevations? Here is the ANSWER. THE ANSWER: INDIANA, with only 937 feet between its highest point (1,257 feet) and its lowest point (320 feet). Thanks for playing! Tomorrow, it's Wordplay... READ ON

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Brain Game: Math Square #128

Enjoy today's Monday Math Square mentalfloss.com Brain Game challenge: Place the digits 1 through 9 in the white blanks so that the mathematical equations work both across and down. Each digit 1 through 9 should appear only once in the main grid (the red square). Here is the SOLUTION. NOTE: These puzzles rarely (but occasionally) have alternate solutions that fit the rules. If you find one of these, first make sure that you've followed the instructions to the letter, then pat yourself on... READ ON

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Brain Game: Quarter Hopping

This week, we're remembering some of our classic mentalfloss.com Brain Game entries from years past. Friday's challenge: Quarter... READ ON

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Brain Game: An E-Z One?

This week, we're remembering some of our classic mentalfloss.com Brain Game entries from years past. Thursday's challenge: An E-Z... READ ON
  1. FIND THESE T-SHIRTS AND MORE IN THE STORE!

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Brain Game: Sing a Song of Brain

This week, we're remembering some of our classic mentalfloss.com Brain Game entries from years past. Wednesday's challenge: Sing a Song of... READ ON

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Brain Game: Head Line

This week, we're remembering some of our classic mentalfloss.com Brain Game entries from years past. Tuesday's challenge: Head Line. Good... READ ON

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Brain Game: Playin' With Your Head

This week, we're remembering some of our classic mentalfloss.com Brain Game entries from years past. Monday's challenge: Playin' With Your... READ ON

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Brain Game: Darts

Try for a bull's eye with today's mentalfloss.com Brain Game Free-for-all Friday challenge. Enjoy! What numbers lie at the 3 o'clock, 6 o'clock, 9 o'clock, and 12 o'clock positions on a standard dartboard? Here are the ANSWERS. THE ANSWERS: 3 o'clock position: 6 6 o'clock position: 3 9 o'clock position: 11 12 o'clock position: 20 Thanks for playing, and have a great... READ ON

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Brain Game: The End of Time

Kara and I are hosting a mental_floss session (Trivia! Puzzles! Prizes!) next Thursday at the "End of Time" Mensa American Gathering in Reno. Today's mentalfloss.com Brain Game Think Thursday challenge just might be a Mensa-worthy puzzle. Good luck! What's the missing number in the following set, and why? 1, 2, 1, 1, 1, 1, ?, 2, 9, 3, 8, 4, 7, 5, 6 Here is the ANSWER. THE ANSWER: 0 (zero). The numbers represent the digits on an analog clock face, from top to bottom and left to right: Thanks... READ ON

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Brain Game: Off the Deck

Enjoy a new word ladder puzzle as today's mentalfloss.com Brain Game Wednesday Wordplay challenge: By changing one letter in each step to form English words, and leaving all other letters in their original positions, convert DEAL into CARD in the fewest possible steps. D E A L _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ C A R D Here is a 5-step SOLUTION. A 5-STEP SOLUTION: D E A L D E A D H E A D H E R D H A R D C A R D Did you come up with a different sequence of words? Feel free to share... READ ON

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