## Daily Brain Teaserspuzzles, riddles, mathematical problems, word games, mastermind, cinemania, music, stereograms, ... |

Daily Brain Teasers for Wednesday, 28 October 2020

● If a5bc6 - 25b4b = 5005b find number abc. Multiple solutions may exist. ● 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. ● NUMBERMANIA: Calculate the number 564 using numbers [8, 3, 6, 2, 64, 932] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. ● If c71bc + 2b844 = b4aa7 find number abc. Multiple solutions may exist. ● 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. ● NUMBERMANIA: Calculate the number 2708 using numbers [2, 1, 8, 2, 11, 904] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. ● The aim is to place the some numbers from the list (9, 10, 14, 24, 25, 29, 34, 37, 65, 66, 70) 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. ● If a6449 + a68b4 = 1bcc0c find number abc. Multiple solutions may exist. ● 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. ● NUMBERMANIA: Calculate the number 411 using numbers [8, 2, 6, 8, 55, 610] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.

Daily Brain Teasers for Tuesday, 27 October 2020

● 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. ● NUMBERMANIA: Calculate the number 564 using numbers [8, 3, 6, 2, 64, 932] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. ● If c71bc + 2b844 = b4aa7 find number abc. Multiple solutions may exist. ● 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. ● NUMBERMANIA: Calculate the number 2708 using numbers [2, 1, 8, 2, 11, 904] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. ● The aim is to place the some numbers from the list (9, 10, 14, 24, 25, 29, 34, 37, 65, 66, 70) 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. ● If a6449 + a68b4 = 1bcc0c find number abc. Multiple solutions may exist. ● 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. ● NUMBERMANIA: Calculate the number 411 using numbers [8, 2, 6, 8, 55, 610] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. ● If 1a3ba + 2a1c5 = cc532 find number abc. Multiple solutions may exist.

Daily Brain Teasers for Monday, 26 October 2020

● NUMBERMANIA: Calculate the number 564 using numbers [8, 3, 6, 2, 64, 932] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. ● If c71bc + 2b844 = b4aa7 find number abc. Multiple solutions may exist. ● 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. ● NUMBERMANIA: Calculate the number 2708 using numbers [2, 1, 8, 2, 11, 904] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. ● The aim is to place the some numbers from the list (9, 10, 14, 24, 25, 29, 34, 37, 65, 66, 70) 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. ● If a6449 + a68b4 = 1bcc0c find number abc. Multiple solutions may exist. ● 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. ● NUMBERMANIA: Calculate the number 411 using numbers [8, 2, 6, 8, 55, 610] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. ● If 1a3ba + 2a1c5 = cc532 find number abc. Multiple solutions may exist. ● 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.

Daily Brain Teasers for Sunday, 25 October 2020

● If c71bc + 2b844 = b4aa7 find number abc. Multiple solutions may exist. ● 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. ● NUMBERMANIA: Calculate the number 2708 using numbers [2, 1, 8, 2, 11, 904] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. ● The aim is to place the some numbers from the list (9, 10, 14, 24, 25, 29, 34, 37, 65, 66, 70) 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. ● If a6449 + a68b4 = 1bcc0c find number abc. Multiple solutions may exist. ● 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. ● NUMBERMANIA: Calculate the number 411 using numbers [8, 2, 6, 8, 55, 610] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. ● If 1a3ba + 2a1c5 = cc532 find number abc. Multiple solutions may exist. ● 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. ● NUMBERMANIA: Calculate the number 958 using numbers [3, 5, 4, 8, 25, 109] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.

Daily Brain Teasers for Saturday, 24 October 2020

● 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. ● NUMBERMANIA: Calculate the number 2708 using numbers [2, 1, 8, 2, 11, 904] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. ● The aim is to place the some numbers from the list (9, 10, 14, 24, 25, 29, 34, 37, 65, 66, 70) 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. ● If a6449 + a68b4 = 1bcc0c find number abc. Multiple solutions may exist. ● 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. ● NUMBERMANIA: Calculate the number 411 using numbers [8, 2, 6, 8, 55, 610] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. ● If 1a3ba + 2a1c5 = cc532 find number abc. Multiple solutions may exist. ● 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. ● NUMBERMANIA: Calculate the number 958 using numbers [3, 5, 4, 8, 25, 109] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. ● The aim is to place the some numbers from the list (4, 6, 7, 9, 11, 12, 27, 50, 52, 53) 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.

Daily Brain Teasers for Friday, 23 October 2020

● NUMBERMANIA: Calculate the number 2708 using numbers [2, 1, 8, 2, 11, 904] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. ● The aim is to place the some numbers from the list (9, 10, 14, 24, 25, 29, 34, 37, 65, 66, 70) 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. ● If a6449 + a68b4 = 1bcc0c find number abc. Multiple solutions may exist. ● 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. ● NUMBERMANIA: Calculate the number 411 using numbers [8, 2, 6, 8, 55, 610] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. ● If 1a3ba + 2a1c5 = cc532 find number abc. Multiple solutions may exist. ● 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. ● NUMBERMANIA: Calculate the number 958 using numbers [3, 5, 4, 8, 25, 109] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. ● The aim is to place the some numbers from the list (4, 6, 7, 9, 11, 12, 27, 50, 52, 53) 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. ● If 8b6b8 + 46594 = c2a2b2 find number abc. Multiple solutions may exist.

Daily Brain Teasers for Thursday, 22 October 2020

● The aim is to place the some numbers from the list (9, 10, 14, 24, 25, 29, 34, 37, 65, 66, 70) 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. ● If a6449 + a68b4 = 1bcc0c find number abc. Multiple solutions may exist. ● 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. ● NUMBERMANIA: Calculate the number 411 using numbers [8, 2, 6, 8, 55, 610] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. ● If 1a3ba + 2a1c5 = cc532 find number abc. Multiple solutions may exist. ● 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. ● NUMBERMANIA: Calculate the number 958 using numbers [3, 5, 4, 8, 25, 109] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. ● The aim is to place the some numbers from the list (4, 6, 7, 9, 11, 12, 27, 50, 52, 53) 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. ● If 8b6b8 + 46594 = c2a2b2 find number abc. Multiple solutions may exist. ● 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.

Daily Brain Teasers for Wednesday, 21 October 2020

● If a6449 + a68b4 = 1bcc0c find number abc. Multiple solutions may exist. ● 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. ● NUMBERMANIA: Calculate the number 411 using numbers [8, 2, 6, 8, 55, 610] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. ● If 1a3ba + 2a1c5 = cc532 find number abc. Multiple solutions may exist. ● 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. ● NUMBERMANIA: Calculate the number 958 using numbers [3, 5, 4, 8, 25, 109] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. ● The aim is to place the some numbers from the list (4, 6, 7, 9, 11, 12, 27, 50, 52, 53) 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. ● If 8b6b8 + 46594 = c2a2b2 find number abc. Multiple solutions may exist. ● 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. ● NUMBERMANIA: Calculate the number 1371 using numbers [3, 1, 6, 5, 30, 401] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.

Daily Brain Teasers for Tuesday, 20 October 2020

● 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. ● NUMBERMANIA: Calculate the number 411 using numbers [8, 2, 6, 8, 55, 610] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. ● If 1a3ba + 2a1c5 = cc532 find number abc. Multiple solutions may exist. ● 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. ● NUMBERMANIA: Calculate the number 958 using numbers [3, 5, 4, 8, 25, 109] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. ● The aim is to place the some numbers from the list (4, 6, 7, 9, 11, 12, 27, 50, 52, 53) 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. ● If 8b6b8 + 46594 = c2a2b2 find number abc. Multiple solutions may exist. ● 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. ● NUMBERMANIA: Calculate the number 1371 using numbers [3, 1, 6, 5, 30, 401] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. ● If b8a86 - c3bcb = 3b672 find number abc. Multiple solutions may exist.

Daily Brain Teasers for Monday, 19 October 2020

● NUMBERMANIA: Calculate the number 411 using numbers [8, 2, 6, 8, 55, 610] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. ● If 1a3ba + 2a1c5 = cc532 find number abc. Multiple solutions may exist. ● 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. ● NUMBERMANIA: Calculate the number 958 using numbers [3, 5, 4, 8, 25, 109] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. ● The aim is to place the some numbers from the list (4, 6, 7, 9, 11, 12, 27, 50, 52, 53) 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. ● If 8b6b8 + 46594 = c2a2b2 find number abc. Multiple solutions may exist. ● 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. ● NUMBERMANIA: Calculate the number 1371 using numbers [3, 1, 6, 5, 30, 401] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. ● If b8a86 - c3bcb = 3b672 find number abc. Multiple solutions may exist. ● 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.