BRAIN TEASERS
Brain Teasers (page 215)

Brain Teasers (page 215)

puzzles, riddles, mathematical problems, word games, mastermind, cinemania, music, sport... These are the tasks listed 2141 to 2150.
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Find number abc

If a5bc6 - 25b4b = 5005b find number abc. Multiple solutions may exist.
Correct answers: 22
The first user who solved this task is Nasrin 24 T.
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#brainteasers #math
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Find the right combination

The computer chose a secret code (sequence of 4 digits from 1 to 6). Your goal is to find that code. Black circles indicate the number of hits on the right spot. White circles indicate the number of hits on the wrong spot.
Correct answers: 16
The first user who solved this task is Nasrin 24 T.
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#brainteasers #mastermind
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Calculate the number 564

NUMBERMANIA: Calculate the number 564 using numbers [8, 3, 6, 2, 64, 932] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 9
The first user who solved this task is Nasrin 24 T.
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#brainteasers #math #numbermania

I have learned how t...

“I have learned how to take a compliment because I'm not usually offered any.”

Jokes of the day - Daily updated jokes. New jokes every day.
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Find number abc

If c71bc + 2b844 = b4aa7 find number abc. Multiple solutions may exist.
Correct answers: 20
The first user who solved this task is Nasrin 24 T.
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#brainteasers #math
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What a winning combination?

The computer chose a secret code (sequence of 4 digits from 1 to 6). Your goal is to find that code. Black circles indicate the number of hits on the right spot. White circles indicate the number of hits on the wrong spot.
Correct answers: 14
The first user who solved this task is Fazil Hashim.
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 2708

NUMBERMANIA: Calculate the number 2708 using numbers [2, 1, 8, 2, 11, 904] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 9
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math #numbermania
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MAGIC SQUARE: Calculate A+B+C

The aim is to place the some numbers from the list (9, 10, 14, 24, 25, 29, 34, 37, 65, 66, 70) into the empty squares and squares marked with A, B an C. Sum of each row and column should be equal. All the numbers of the magic square must be different. Find values for A, B, and C. Solution is A+B+C.
Correct answers: 9
The first user who solved this task is Nasrin 24 T.
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#brainteasers #math #magicsquare
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Find number abc

If a6449 + a68b4 = 1bcc0c find number abc. Multiple solutions may exist.
Correct answers: 19
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math
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What a winning combination?

The computer chose a secret code (sequence of 4 digits from 1 to 6). Your goal is to find that code. Black circles indicate the number of hits on the right spot. White circles indicate the number of hits on the wrong spot.
Correct answers: 14
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 411

NUMBERMANIA: Calculate the number 411 using numbers [8, 2, 6, 8, 55, 610] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 10
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math #numbermania
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The computer chose a secret code (sequence of 4 digits from 1 to 6). Your goal is to find that code. Black circles indicate the number of hits on the right spot. White circles indicate the number of hits on the wrong spot.
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Edward Bausch

Born 26 Sep 1854; died 30 Jul 1944 at age 89.American inventor who developed microscopes and optical instruments. In business, he became chairman Bausch & Lomb Optical Co. His father, John J. Bausch (1830-1926), was born in Germany, emigrated to America in 1849, and started a spectacle making business (the Vulcanite Optical Instrument Co.) with German immigrant Henry Lomb (1828-1908). By 1866, their company was making a simple microscope. The company name was changed to Bausch & Lomb Optical Co. in 1874, the year they produced their first compound microscope. Edward, with brothers William, and Henry all helped in the design and production of a full product line of microscopes. Edward held a number of patents related to the design of microscopes.
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