BRAIN TEASERS

puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 1 to 10.

Find number abc

If a226b + bbb14 = 10ccaa find number abc. Multiple solutions may exist.
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Calculate the number 8123

NUMBERMANIA: Calculate the number 8123 using numbers [1, 5, 5, 2, 26, 351] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
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MAGIC SQUARE: Calculate A-B*C

The aim is to place the some numbers from the list (25, 26, 27, 28, 34, 36, 44, 45, 53, 97) 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.
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A grandfather always made a sp...

A grandfather always made a special effort with his grandchildren. Many Sunday mornings he would take his 7-year old granddaughter out for a drive in the car for some bonding time.
One particular Sunday however, he had a bad cold and he really didn't feel like being up at all. Luckily, grandma came to the rescue and said that she would take the grandchild out. When they returned, the little girl anxiously ran upstairs to see Grandpa.
"Oh yes, Grandpa," the girl replied, "and do you know what? We didn't see a single dumb bastard or lousy shithead!"
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Find number abc

If a8c53 - aabca = 5891 find number abc. Multiple solutions may exist.
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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.
#brainteasers #mastermind

Calculate the number 2334

NUMBERMANIA: Calculate the number 2334 using numbers [2, 9, 6, 9, 21, 264] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
#brainteasers #math #numbermania

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.
#brainteasers #mastermind

Calculate the number 2080

NUMBERMANIA: Calculate the number 2080 using numbers [1, 8, 8, 2, 48, 214] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
#brainteasers #math #numbermania

MAGIC SQUARE: Calculate A+B+C

The aim is to place the some numbers from the list (2, 14, 16, 21, 30, 34, 36, 41, 47, 49, 54, 79) 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.
#brainteasers #math #magicsquare

Find number abc

If 5c5ba - 373b6 = c4c94 find number abc. Multiple solutions may exist.
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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.