BRAIN TEASERS
The Easiest Tasks (page 722)

The Easiest Tasks (page 722)

puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 7211 to 7220.
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Find number abc

If 34acc + ba42a = 52b2a find number abc. Multiple solutions may exist.
Correct answers: 0
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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: 0
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#brainteasers #mastermind
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Calculate the number 1762

NUMBERMANIA: Calculate the number 1762 using numbers [7, 1, 9, 3, 46, 223] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 0
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#brainteasers #math #numbermania

Enjoy the little things in life

Enjoy the little things in life because one day you will look back and realize they were the big things.
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MAGIC SQUARE: Calculate A-B*C

The aim is to place the some numbers from the list (1, 5, 10, 11, 15, 18, 19, 23, 49, 50, 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 a582c - 59bcc = a72c find number abc. Multiple solutions may exist.
Correct answers: 0
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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: 0
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 516

NUMBERMANIA: Calculate the number 516 using numbers [1, 9, 2, 4, 18, 254] 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 aa8c9 + 60a0b = bb63a0 find number abc. Multiple solutions may exist.
Correct answers: 0
CHECK ANSWER
#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: 0
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 2159

NUMBERMANIA: Calculate the number 2159 using numbers [5, 8, 4, 2, 27, 278] 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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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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Telephone fax

In 1922, city telephone lines were used for the first time in the U.S. for the transmission of a facsimile photo in Washington, DC. Charles F. Jenkins sent an image from 1519 Connecticut Ave to the U.S. Navy Radio Staion NOF at Anacostia, D.C. Witnesses from the U.S.Navy and the Post Office Dept. attended the transmission. A photographic plate was used to record the signals at 5502 16th St, N.W. Washington, D.C. Earlier in the year, on 11 Jun 1922, a photograph had been sent by radio across the Atlantic from Rome to Bar Harbor, Maine. That transmission reproduced a 7 x 9.5 in. halftone picture, using light falling on a selenium cell to form the dots.
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