Daily Brain Teasers for Friday, 21 October 2022
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puzzles, riddles, mathematical problems, word games, mastermind, cinemania, music, stereograms, ... |
Calculate the number 1713
NUMBERMANIA: Calculate the number 1713 using numbers [6, 3, 4, 2, 54, 137] 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 (14, 15, 16, 18, 19, 20, 32, 33, 34, 54, 93) 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 8b6ba - 3ac0b = cc2b6 find number abc. Multiple solutions may exist.
#brainteasers #math
Friday
What a week! I am done!
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
RadiotelephoneIn 1915, the first experimental transatlantic radiotelephone speech communication was made. Taking advantage of the recently developed vacuum-tube transmitters and receivers, AT&T conducted radiotelephony tests from NAA, the U.S. Navy station in Arlington. B. Webb of AT&T in Arlington, VA.Virginia talks to Lt. Col. Ferries of the French Government using relay points in Canada and at the Eiffel Tower in Paris.His voice was heard as far away as Honolulu, HI., which clearly showed how advanced the vacuum-tube equipment was, since the "somewhat over 10 miles" (16-km) range of Fessenden's groundbreaking alternator-transmitter tests (1906). President Vail announced that AT&T was planning to add radiotelephone links to the Bell system. |
Calculate the number 590
NUMBERMANIA: Calculate the number 590 using numbers [9, 1, 5, 5, 58, 531] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
#brainteasers #math #numbermania
Find number abc
If ba42c - 70baa = 205a7 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 1242
NUMBERMANIA: Calculate the number 1242 using numbers [4, 2, 8, 4, 44, 502] 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 (17, 18, 19, 20, 21, 22, 40, 42, 44, 62) 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 ba14c - 36944 = 432a3 find number abc. Multiple solutions may exist.
#brainteasers #math
