Daily Brain Teasers for Wednesday, 28 February 2024
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puzzles, riddles, mathematical problems, word games, mastermind, cinemania, music, stereograms, ... |
Find number abc
If 6c6a1 + 6148b = 12a1c1 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 3440
NUMBERMANIA: Calculate the number 3440 using numbers [5, 5, 4, 2, 34, 349] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
#brainteasers #math #numbermania
Find number abc
If 5ac0c + b42b0 = 86abc find number abc. Multiple solutions may exist.
#brainteasers #math
Baron Clemens von PirquetDied 28 Feb 1929 at age 54 (born 12 May 1874). Austrian physician who originated a skin test for tuberculosis that bears his name, a classic diagnostic test in which tuberculin is applied to a superficial abrasion of the skin of the arm. In 1906 he noticed that patients who had received injections of horse serum or smallpox vaccine usually had quicker, more severe reactions to second injections. While studying the symptoms of cowpox vaccination, he also developed a new theory about the incubation time of infectious diseases and the formation of antibodies. In 1909 he published the results of a series of tuberculin tests of inhabitants of Vienna that showed that 70% of the children tested had been infected by tuberculosis by age 10, and over 90% at age 14. He also studied infant nutrition. |
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 1102
NUMBERMANIA: Calculate the number 1102 using numbers [8, 3, 3, 6, 45, 982] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
#brainteasers #math #numbermania
MAGIC SQUARE: Calculate A+B+C
The aim is to place the some numbers from the list (9, 11, 12, 15, 17, 18, 48, 50, 51, 97) 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
Find number abc
If b88a9 - c690a = cc9a4 find number abc. Multiple solutions may exist.
#brainteasers #math
Find the right 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 725
NUMBERMANIA: Calculate the number 725 using numbers [4, 3, 1, 5, 75, 121] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
#brainteasers #math #numbermania
