BRAIN TEASERS
The Most Difficult Tasks (page 3)

The Most Difficult Tasks (page 3)

puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 21 to 30.
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Find number abc

If ba1b0 + 27b4c = 866ac find number abc. Multiple solutions may exist.
Correct answers: 0
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: 0
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 5447

NUMBERMANIA: Calculate the number 5447 using numbers [1, 3, 7, 9, 40, 496] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 0
CHECK ANSWER
#brainteasers #math #numbermania

Two women were having lunch to...

Two women were having lunch together, and discussing the merits of cosmetic surgery. The first woman says, "I need to be honest with you, I'm getting a boob job."
The second woman says, "Oh that's nothing, I'm thinking of having my asshole bleached!"
To which the first replies, "Whoa, I just can't picture your husband as a blonde!"
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MAGIC SQUARE: Calculate A-B*C

The aim is to place the some numbers from the list (19, 20, 21, 22, 26, 27, 30, 32, 37, 41, 54) 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: 0
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#brainteasers #math #magicsquare
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Find number abc

If 9029a - bb88a = 23ca0 find number abc. Multiple solutions may exist.
Correct answers: 0
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: 0
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 1895

NUMBERMANIA: Calculate the number 1895 using numbers [3, 6, 6, 4, 52, 535] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 0
CHECK ANSWER
#brainteasers #math #numbermania
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Find number abc

If abaab - c3a8b = 2699b find number abc. Multiple solutions may exist.
Correct answers: 0
CHECK ANSWER
#brainteasers #math
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Calculate the number 6637

NUMBERMANIA: Calculate the number 6637 using numbers [5, 9, 2, 1, 60, 749] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 0
CHECK ANSWER
#brainteasers #math #numbermania
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Find number abc

If b1435 - 1ca1b = 4ab19 find number abc. Multiple solutions may exist.
Correct answers: 0
CHECK ANSWER
#brainteasers #math
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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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Edison patent

In 1892, Thomas A. Edison was issued two U.S. patents, for a "Converter System for Electric Railways" and a "Commutator Brush for Electric Motors and Dynamos" (Nos. 468,949-50).
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