Daily Brain Teasers for Tuesday, 20 February 2024
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puzzles, riddles, mathematical problems, word games, mastermind, cinemania, music, stereograms, ... |
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
Find number abc
If aaac7 + 2ab86 = 6880b find number abc. Multiple solutions may exist.
#brainteasers #math
When an escaped pris...
“When an escaped prisoner was caught camping out in the woods it was a clear case of criminal in tent.”
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
Antonio AbettiDied 20 Feb 1928 at age 81 (born 19 Jun 1846).Italian astronomer who was an authority on minor planets. At first a civil engineer, he became an astronomer at the University of Padua (1868-93), with an interest in positional astronomy and made many observations of small planets, comets and star occultations. In 1874, Abetti went to Muddapur, Bengal, to observe the transit of Venus across the sun's disk where his use of a spectroscope was the first use of this kind. Later, he became director at the Arcetri Observatory and Professor of astronomy at the University of Florence (1894-1921). The observatory had been founded by G. B. Donati in 1872, and Abetti equipped it with a new telescope that he had built in the workshops at Padua. He was active after retirement, until his death, and was followed by his son Giorgio. |
Calculate the number 983
NUMBERMANIA: Calculate the number 983 using numbers [4, 4, 9, 9, 73, 910] 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 (13, 17, 18, 20, 22, 24, 26, 28, 30, 62, 64, 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.
#brainteasers #math #magicsquare
Find number abc
If ac40c + a24a0 = 18b8ac find number abc. Multiple solutions may exist.
#brainteasers #math
Calculate the number 759
NUMBERMANIA: Calculate the number 759 using numbers [9, 2, 3, 8, 88, 968] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
#brainteasers #math #numbermania
Find number abc
If aa65b - c8564 = 509a 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
