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Monthly Archive - February 2020 (page 2)brain teasers, puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 11 to 20. |
Find number abc
If b80ca - c5ba6 = 62aa5 find number abc. Multiple solutions may exist. Correct answers: 31
The first user who solved this task is Nasrin 24 T.
#brainteasers #math
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: 19
The first user who solved this task is Nasrin 24 T.
#brainteasers #mastermind
Calculate the number 775
NUMBERMANIA: Calculate the number 775 using numbers [8, 2, 1, 1, 82, 355] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 11
The first user who solved this task is Nílton Corrêa de Sousa.
#brainteasers #math #numbermania

Birth control pills
An elderly woman went into the doctor's office. When the doctor asked why she was there, she replied, "I'd like to have some birth-control pills."
Taken aback, the doctor thought for a minute and then said, "Excuse me, Mrs. Smith, but you're 72 years old. What possible use could you have for birth control pills?"
The woman responded, "They help me sleep better."
The doctor thought some more and continued, "How in the world do birth control pills help you to sleep?"
The woman said, "Simple. I put them in my granddaughter's orange juice every morning and I sleep better at night."
Find number abc
If accab - 31c13 = c10b1 find number abc. Multiple solutions may exist. Correct answers: 26
The first user who solved this task is Nasrin 24 T.
#brainteasers #math
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: 25
The first user who solved this task is Nasrin 24 T.
#brainteasers #mastermind
Calculate the number 362
NUMBERMANIA: Calculate the number 362 using numbers [8, 6, 4, 7, 96, 452] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 14
The first user who solved this task is Nílton Corrêa de Sousa.
#brainteasers #math #numbermania
MAGIC SQUARE: Calculate A+B*C
The aim is to place the some numbers from the list (12, 13, 19, 20, 21, 27, 31, 32, 38, 61) 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 Nílton Corrêa de Sousa.
#brainteasers #math #magicsquare
Find number abc
If bb8a1 + 4b9bc = ac78a find number abc. Multiple solutions may exist. Correct answers: 20
The first user who solved this task is Nílton Corrêa de Sousa.
#brainteasers #math
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: 29
The first user who solved this task is Nasrin 24 T.
#brainteasers #mastermind
Calculate the number 3800
NUMBERMANIA: Calculate the number 3800 using numbers [7, 4, 1, 3, 91, 889] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 12
The first user who solved this task is Nílton Corrêa de Sousa.
#brainteasers #math #numbermania