BRAIN TEASERS
Monthly Archive - December 2019 (page 3)

Monthly Archive - December 2019 (page 3)

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

If 81b77 - 6cba6 = 160c1 find number abc. Multiple solutions may exist.
Correct answers: 38
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: 26
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 678

NUMBERMANIA: Calculate the number 678 using numbers [7, 1, 1, 2, 82, 603] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 20
The first user who solved this task is Nílton Corrêa de Sousa.
CHECK ANSWER
#brainteasers #math #numbermania

Try To Spell That Name

A traffic Policeman recently stopped a woman for exceeding the posted speed limit. He asked the driver her name.
She said, "I'm Mrs. Chadivaler Zuminskagia Ragretumunga from the Republic of Uzbetikan visiting my sister in Columbia."
As she finished speaking the cop paused for a moment and then put away his summons book and pen, and said, "Well... OK... but don't let me catch you speeding again."
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Find number abc

If caabc - 4caba = 32aac find number abc. Multiple solutions may exist.
Correct answers: 55
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: 18
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 1651

NUMBERMANIA: Calculate the number 1651 using numbers [7, 2, 6, 1, 73, 614] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 10
The first user who solved this task is Nílton Corrêa de Sousa.
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 (5, 16, 17, 20, 24, 25, 28, 34, 39, 40, 43, 55) 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: 11
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math #magicsquare
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Find number abc

If 6b59c - 169ac = c6670 find number abc. Multiple solutions may exist.
Correct answers: 24
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math
[link]

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: 22
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #mastermind
[link]

Calculate the number 613

NUMBERMANIA: Calculate the number 613 using numbers [2, 8, 9, 4, 39, 538] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 17
The first user who solved this task is Nílton Corrêa de Sousa.
CHECK ANSWER
#brainteasers #math #numbermania
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Garrett Augustus Morgan

Died 27 Jul 1963 at age 86 (born 4 Mar 1877).Black-American inventor and businessman who established the Cleveland Call newspaper (1920), invented a hair straightening cream, woman's hat fastener, an automobile clutch, a safety hood breathing device (1912) which he improved as a gas mask used by some soldiers in WW I, and a traffic signal. By age 30, he had spent time working as a handyman and taught himself enough about repairing sewing machines to start a repair business. Two years later, he started a tailoring shop with 32 employees. He developed and was successful selling G.A. Morgan Hair Refining Cream to straighten hair. When he invented a traffic signal in 1922 (not the red-yellow-green lights type), several other traffic signals had already been previously patented by other inventors. He was nearly blind from 1943 due to glaucoma.«
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