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Brain Teasers (page 3)puzzles, riddles, mathematical problems, word games, mastermind, cinemania, music, sport... These are the tasks listed 21 to 30. |
Calculate the number 323
. Each of the numbers can be used only once.','/archive/2026/08/31/numbermania-1788134702.png','/calculate-the-number-323/8822'))
NUMBERMANIA: Calculate the number 323 using numbers [4, 4, 6, 6, 29, 125] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 1
#brainteasers #math #numbermania
Find number abc
)
If b492c + 4ba50 = a8cac 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/2026/08/29/mastermind-1787961901.png','/What-a-winning-combination/8820'))
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: 0
#brainteasers #mastermind
A photon walks into a hotel...
A photon walks into a hotel. The desk clerk says, "Welcome to our hotel. Can we help you with your luggage?" The photon says, "No thanks, I'm traveling light."
Calculate the number 727
. Each of the numbers can be used only once.','/archive/2026/08/28/numbermania-1787875502.png','/calculate-the-number-727/8819'))
NUMBERMANIA: Calculate the number 727 using numbers [9, 2, 8, 9, 49, 630] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 2
#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/2026/08/27/magic-square-1787789144.png','/MAGIC-SQUARE-Calculate-A-B-C/8818'))
The aim is to place the some numbers from the list (1, 4, 5, 20, 21, 24, 25, 50, 53, 54, 81) 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 9acb5 + 9a603 = b9c3ba 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/2026/08/25/mastermind-1787616301.png','/What-a-winning-combination/8816'))
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: 0
#brainteasers #mastermind
Calculate the number 1450
. Each of the numbers can be used only once.','/archive/2026/08/24/numbermania-1787529901.png','/calculate-the-number-1450/8815'))
NUMBERMANIA: Calculate the number 1450 using numbers [8, 5, 2, 3, 12, 737] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 1
#brainteasers #math #numbermania
Find number abc
)
If 576a5 + a1a56 = bb1c1 find number abc. Multiple solutions may exist. Correct answers: 1
#brainteasers #math
Find the right 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/2026/08/22/mastermind-1787357102.png','/Find-the-right-combination/8813'))
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: 0
#brainteasers #mastermind
