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Monthly Archive - May 2023brain teasers, puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 1 to 10. |
Find number abc
If c5a57 - bc0ab = ba5c3 find number abc. Multiple solutions may exist. Correct answers: 4
#brainteasers #math
Calculate the number 5157
NUMBERMANIA: Calculate the number 5157 using numbers [2, 8, 5, 9, 24, 707] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 1
#brainteasers #math #numbermania
Find number abc
If 5ac24 - 42b32 = ccb2 find number abc. Multiple solutions may exist. Correct answers: 3
#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: 6
#brainteasers #mastermind
Calculate the number 6961
NUMBERMANIA: Calculate the number 6961 using numbers [1, 5, 9, 7, 74, 536] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 1
#brainteasers #math #numbermania
MAGIC SQUARE: Calculate A-B+C
The aim is to place the some numbers from the list (18, 19, 20, 27, 28, 29, 31, 32, 33) 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: 1
#brainteasers #math #magicsquare
Find number abc
If ac2a4 + 65c43 = b44bba find number abc. Multiple solutions may exist. Correct answers: 3
#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: 2
#brainteasers #mastermind
Calculate the number 4090
NUMBERMANIA: Calculate the number 4090 using numbers [8, 6, 6, 8, 47, 628] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 2
#brainteasers #math #numbermania
Find number abc
If 658cb + 80ba8 = bc60b9 find number abc. Multiple solutions may exist. Correct answers: 5
#brainteasers #math
