Daily Brain Teasers for Sunday, 13 July 2025
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puzzles, riddles, mathematical problems, word games, mastermind, cinemania, music, stereograms, ... |
Find number abc
If 98242 - 9bacc = 18b5 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 7453
NUMBERMANIA: Calculate the number 7453 using numbers [1, 9, 9, 1, 22, 744] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
#brainteasers #math #numbermania
A cocky State Highways em...
A cocky State Highways employee stopped at a farm and talked with an old farmer. He told the farmer, "I need to inspect your farm for a possible new road."
The old farmer said, "OK, but don't go in that field." The Highways employee said, "I have the authority of the State Government to go where I want. See this card? I am allowed to go wherever I wish on farm land."
So the old farmer went about his farm chores.
Later, he heard loud screams and saw the State Highways employee running for the fence and close behind was the farmer's prize bull. The bull was madder than a nest full of hornets and the bull was gaining on the employee at every step!!
The old farmer called out, "Show him your card!!"
MAGIC SQUARE: Calculate A+B*C
The aim is to place the some numbers from the list (9, 10, 13, 14, 18, 22, 50, 51, 52, 60, 63) 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
U.S. Patent No. 1In 1836, John Ruggles of Thomaston, Maine received patent Number 1 from the U.S. Patent Office, under a new system for numbering patents. Before Ruggles, there had been 9,957 non-numbered patents issued. Ruggles received his patent for a traction wheel used in locomotive steam engines. He was Chairman of the Committee on Patents of the U.S. Senate, and was instrumental in patent law reform. However, in 1838, a Senate select committee investigated corruption charges against Senator Ruggles relating to a patent application. |
Find number abc
If ab07c - c34cb = 4a6a2 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 1958
NUMBERMANIA: Calculate the number 1958 using numbers [7, 4, 2, 5, 59, 512] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
#brainteasers #math #numbermania
Find number abc
If 9b0a5 - 1bc0a = 79259 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 4136
NUMBERMANIA: Calculate the number 4136 using numbers [3, 6, 3, 4, 73, 763] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
#brainteasers #math #numbermania
