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Monthly Archive - December 2021brain teasers, puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 1 to 10. |
Calculate the number 292
NUMBERMANIA: Calculate the number 292 using numbers [3, 3, 8, 7, 37, 175] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 5
#brainteasers #math #numbermania
MAGIC SQUARE: Calculate A*B-C
The aim is to place the some numbers from the list (1, 2, 4, 5, 6, 8, 42, 43, 44, 46, 67) 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: 3
#brainteasers #math #magicsquare
Find number abc
If 25aab - ccc22 = ca327 find number abc. Multiple solutions may exist. Correct answers: 15
#brainteasers #math

Four Surgeons
Four surgeons were sitting around discussing who they like to operate on.
The first surgeon said, "I like operating on librarians. When you open them up everything is in alphabetical order".
The second surgeon said, "I like operating on accountants. When you open them up everything is in numerical order".
The third surgeon said, "I like operating on electricians. When you open them up everything is color coded.
The fourth surgeon said, "I like operating on lawyers".
The other three surgeons looked at each other in disbelief. One of them asked why.
The fourth surgeon replied, "Because they are heartless, gutless, spineless, and their ass and head are interchangeable".
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: 8
#brainteasers #mastermind
Calculate the number 343
NUMBERMANIA: Calculate the number 343 using numbers [6, 3, 2, 6, 71, 420] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 5
#brainteasers #math #numbermania
Find number abc
If cc4c5 - c00b4 = c4a1 find number abc. Multiple solutions may exist. Correct answers: 37
#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: 7
#brainteasers #mastermind
Calculate the number 514
NUMBERMANIA: Calculate the number 514 using numbers [9, 2, 6, 3, 99, 443] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 4
#brainteasers #math #numbermania
MAGIC SQUARE: Calculate A*B*C
The aim is to place the some numbers from the list (7, 8, 9, 13, 26, 28, 32, 40, 42, 44, 48) 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: 4
#brainteasers #math #magicsquare
Find number abc
If 788ac - a5aa9 = b3b9b find number abc. Multiple solutions may exist. Correct answers: 10
#brainteasers #math