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Brain Teasers (page 19)puzzles, riddles, mathematical problems, word games, mastermind, cinemania, music, sport... These are the tasks listed 181 to 190. |
Calculate the number 4015
. Each of the numbers can be used only once.','/archive/2025/11/28/numbermania-1764288302.png','/calculate-the-number-4015/8552'))
NUMBERMANIA: Calculate the number 4015 using numbers [8, 4, 1, 2, 90, 967] 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
 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.','/archive/2025/11/27/magic-square-1764201927.png','/MAGIC-SQUARE-Calculate-A-B-C/8551'))
The aim is to place the some numbers from the list (5, 12, 15, 21, 24, 26, 27, 29, 33, 35) 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: 0
#brainteasers #math #magicsquare
Find number abc
)
If 8ccbc + 84aa2 = b64a42 find number abc. Multiple solutions may exist. Correct answers: 1
#brainteasers #math
A woman phoned her dentist whe...
A woman phoned her dentist when she received a huge bill. "I'm shocked!" she complained. "This is three times what you normally charge."
"Yes, I know," said the dentist. "But you yelled so loud, you scared away two other patients."
"Yes, I know," said the dentist. "But you yelled so loud, you scared away two other patients."
Which is a winning combination of digits?
. 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.','/archive/2025/11/25/mastermind-1764029102.png','/Which-is-a-winning-combination-of-digits/8549'))
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: 1
#brainteasers #mastermind
Calculate the number 3763
. Each of the numbers can be used only once.','/archive/2025/11/24/numbermania-1763942701.png','/calculate-the-number-3763/8548'))
NUMBERMANIA: Calculate the number 3763 using numbers [2, 9, 1, 7, 98, 329] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 1
#brainteasers #math #numbermania
Find number abc
)
If 8abb5 + 5c555 = 1bc000 find number abc. Multiple solutions may exist. Correct answers: 1
#brainteasers #math
What a winning combination?
. 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.','/archive/2025/11/22/mastermind-1763769901.png','/What-a-winning-combination/8546'))
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: 1
#brainteasers #mastermind
Calculate the number 9896
. Each of the numbers can be used only once.','/archive/2025/11/21/numbermania-1763683501.png','/calculate-the-number-9896/8545'))
NUMBERMANIA: Calculate the number 9896 using numbers [5, 7, 1, 6, 32, 828] 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
 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.','/archive/2025/11/20/magic-square-1763597127.png','/MAGIC-SQUARE-Calculate-A-B-C/8544'))
The aim is to place the some numbers from the list (5, 6, 11, 19, 20, 25, 26, 27, 28, 32) 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: 0
#brainteasers #math #magicsquare
Find number abc
)
If c51a7 + 10bbc = 460b0 find number abc. Multiple solutions may exist. Correct answers: 1
#brainteasers #math
