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Monthly Archive - December 2024 (page 2)brain teasers, puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 11 to 20. |
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. Calculate the number 3461
NUMBERMANIA: Calculate the number 3461 using numbers [3, 4, 2, 8, 37, 879] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. MAGIC SQUARE: Calculate A*B-C
The aim is to place the some numbers from the list (9, 10, 16, 25, 26, 32, 48, 49, 55, 74, 96) 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. 
The mural
Every newspaper in New York sent a reporter and a staff photographer to the office of a local ophthalmologist when it was learned that he recently performed a successful sight- saving operation on the wife of the country's most celebrated mural artist, who, in addition to paying the doctor's usual fee, had gratefully insisted on painting one of his contemporary masterpieces across an entire wall of the doctor's waiting room.
The mural turned out to be an immense multicolored picture of a human eye, in the center of which stood a perfect miniature likeness of the good doctor himself.
While cameras clicked and most of the newsmen crowded around the famous artist for his comments, one cub reporter drew the eye specialist aside and asked:
"Tell me, if you can, Doctor-what was your first reaction on seeing this fantastic artistic achievement covering an entire wall of your office?"
"To tell the truth," the physician replied, "my first thought was, thank goodness I'm not a hemorrhoid specialist!"
Find number abc
If 8a18c + 80b3b = 1631a4 find number abc. Multiple solutions may exist. 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. Calculate the number 5109
NUMBERMANIA: Calculate the number 5109 using numbers [3, 5, 6, 1, 22, 533] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Find number abc
If a887c + 9c229 = ba5b05 find number abc. Multiple solutions may exist. 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. Calculate the number 769
NUMBERMANIA: Calculate the number 769 using numbers [2, 9, 3, 6, 92, 119] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. MAGIC SQUARE: Calculate A-B-C
The aim is to place the some numbers from the list (1, 10, 14, 18, 19, 20, 23, 24, 27, 28, 55, 60, 96) 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.