Daily Brain Teasers for Monday, 15 June 2026
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puzzles, riddles, mathematical problems, word games, mastermind, cinemania, music, stereograms, ... |
Calculate the number 4438
NUMBERMANIA: Calculate the number 4438 using numbers [8, 6, 6, 9, 24, 302] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
#brainteasers #math #numbermania
Find number abc
If c40b1 + a313b = 15b208 find number abc. Multiple solutions may exist.
#brainteasers #math
Calculate the number 935
NUMBERMANIA: Calculate the number 935 using numbers [3, 2, 1, 5, 79, 358] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
#brainteasers #math #numbermania
Drummer Problems
A musical director was having a lot of trouble with one drummer. He talked and talked and talked with the drummer, but his performance simply didn't improve.
Finally, before the whole orchestra, he said, "When a musician just can't handle his instrument and doesn't improve when given help, they take away the instrument, and give him two sticks, and make him a drummer."
A stage whisper was heard from the percussion section: "And if he can't handle even that, they take away one of his sticks and make him a conductor."
MAGIC SQUARE: Calculate A*B*C
The aim is to place the some numbers from the list (12, 13, 15, 22, 23, 25, 28, 29, 31, 68, 72, 91) 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.
#brainteasers #math #magicsquare
CelluloidIn 1869, John Wesley Hyatt and Isaiah Hyatt were issued a U.S. patent for the first plastic, which they called "Improved Method of Making Solid Collodion" (No. 91,341). In their method, soluble cotton, pyroxyline, or prepared cellulose was placed into a strong cylinder or suitably-shaped mold. Then "the employment of a very small quantity of ether or other appropriate solvent, and dissolving pyroxyline therewith, under a heavy pressure, so that a comparatively hard and solid product is obtained, with great economy of solvents and saving of time." A filler may be mixed with the pyroxyline such as ivory-dust, bone-dust, asbestos, flake-white, or any other desirable substance, according to the nature of the product required.« |
Find number abc
If 9a1cc - b9aa9 = 5acbb find number abc. Multiple solutions may exist.
#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.
#brainteasers #mastermind
Calculate the number 1689
NUMBERMANIA: Calculate the number 1689 using numbers [5, 3, 1, 1, 28, 559] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
#brainteasers #math #numbermania
Find number abc
If c9b81 + 9baca = 1ca8ab find number abc. Multiple solutions may exist.
#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.
#brainteasers #mastermind
Calculate the number 1346
NUMBERMANIA: Calculate the number 1346 using numbers [1, 3, 8, 5, 91, 479] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
#brainteasers #math #numbermania
