BRAIN TEASERS
Monthly Archive - April 2022 (page 2)

Monthly Archive - April 2022 (page 2)

brain teasers, puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 11 to 20.
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Find number abc

If a4c64 + ba3a4 = c29ac8 find number abc. Multiple solutions may exist.
Correct answers: 8
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#brainteasers #math
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Which is a winning combination of digits?

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: 10
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#brainteasers #mastermind
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Calculate the number 787

NUMBERMANIA: Calculate the number 787 using numbers [4, 7, 4, 7, 10, 764] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 3
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#brainteasers #math #numbermania

School Prayer Solution

As long as there are tests, there will be prayer in public schools.
Jokes of the day - Daily updated jokes. New jokes every day.
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Find number abc

If 857ac + 6279a = cb852b find number abc. Multiple solutions may exist.
Correct answers: 8
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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: 6
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 3333

NUMBERMANIA: Calculate the number 3333 using numbers [3, 8, 2, 6, 36, 382] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 2
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#brainteasers #math #numbermania
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MAGIC SQUARE: Calculate A+B+C

The aim is to place the some numbers from the list (7, 8, 17, 19, 21, 22, 28, 29, 31, 38) 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: 2
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#brainteasers #math #magicsquare
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Find number abc

If c2ba4 - bb6a9 = a869c find number abc. Multiple solutions may exist.
Correct answers: 5
CHECK ANSWER
#brainteasers #math
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Which is a winning combination of digits?

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: 3
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 9812

NUMBERMANIA: Calculate the number 9812 using numbers [2, 7, 9, 4, 11, 882] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 2
CHECK ANSWER
#brainteasers #math #numbermania
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California Electric Light Company

In 1879, the first U.S. electricity production central station, the California Electric Light Company, filed articles of incorporation in San Francisco, with a capital of $5,000,000. The entrepreneurs at first had in mind to use the obscure Titzell system, but instead settled on Brush equipment. Within three months, by Sep 1879, it had a central generating station supplying power for lighting Brush arc light lamps. It was a small, rather makeshift operation with a boiler to power a steam engine driving two dynamos. It provided enough electricity for just 21 lamps, which were rented to nearby shops and hotels for $10 weekly. It was not until 1882 that Thomas Edison had his New York City central station in production. Meanwhile most profits of the C.E.L. Co. came from installing more public and private plants.«
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