Monthly Archive - July 2019brain teasers, puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 1 to 10. |
Find number abc
If b829a + 3cc29 = 994c9 find number abc. Multiple solutions may exist.Correct answers: 25
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: 24
The first user who solved this task is Nasrin 24 T.
#brainteasers #mastermind
Calculate the number 2725
NUMBERMANIA: Calculate the number 2725 using numbers [7, 9, 3, 5, 18, 312] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.Correct answers: 13
The first user who solved this task is Fazil Hashim.
#brainteasers #math #numbermania
The Young Executive & The Blonde CEO
A young executive was leaving the office late one evening when he found the Blonde CEO standing in front of a shredder with a piece of paper in his hand.
'Listen,' said the CEO, 'this is a very sensitive and important document here, and my secretary has gone for the night. Can you make this thing work for me?'
'Certainly,' said the young executive. He turned the machine on, inserted the paper, and pressed the start button.
'Excellent, excellent!' said the CEO, as his paper disappeared inside the machine. 'I just need one copy...'
Find number abc
If c79c3 - baabb = 9bbc find number abc. Multiple solutions may exist.Correct answers: 30
The first user who solved this task is Nílton Corrêa de Sousa.
#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: 27
The first user who solved this task is Nílton Corrêa de Sousa.
#brainteasers #mastermind
Calculate the number 695
NUMBERMANIA: Calculate the number 695 using numbers [1, 7, 7, 3, 45, 647] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.Correct answers: 19
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 (10, 12, 13, 14, 15, 17, 32, 33, 35, 37, 74, 92) 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: 14
The first user who solved this task is Nasrin 24 T.
#brainteasers #math #magicsquare
Find number abc
If c7aac + 913a3 = 1b8cb8 find number abc. Multiple solutions may exist.Correct answers: 33
The first user who solved this task is Nasrin 24 T.
#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: 28
The first user who solved this task is Nílton Corrêa de Sousa.
#brainteasers #mastermind
Calculate the number 3112
NUMBERMANIA: Calculate the number 3112 using numbers [8, 7, 6, 6, 60, 402] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.Correct answers: 13
The first user who solved this task is Nílton Corrêa de Sousa.
#brainteasers #math #numbermania