Daily Brain Teasers for Saturday, 31 July 2021
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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. The first user who solved this task is Nasrin 24 T.
#brainteasers #mastermind
Calculate the number 2040
NUMBERMANIA: Calculate the number 2040 using numbers [1, 9, 2, 4, 55, 234] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. The first user who solved this task is Nasrin 24 T.
#brainteasers #math #numbermania
MAGIC SQUARE: Calculate A+B*C
The aim is to place the some numbers from the list (10, 12, 13, 24, 31, 33, 34, 67, 69, 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. The first user who solved this task is Nasrin 24 T.
#brainteasers #math #magicsquare
After twelve years in prison...
After twelve years in prison, a man finally escapes.
When he gets home, filthy and exhausted, his wife says, "Where have you been? You escaped eight hours ago!"
When he gets home, filthy and exhausted, his wife says, "Where have you been? You escaped eight hours ago!"
Find number abc
If 3b2a8 + c2524 = 1b2c92 find number abc. Multiple solutions may exist. The first user who solved this task is Nasrin 24 T.
#brainteasers #math
John EricssonBorn 31 Jul 1803; died 8 Mar 1889 at age 85.Swedish-American inventor and naval engineer, who became an American citizen in 1847. He was the inventor of the screw propeller, built the first armoured turret warship, the USS Monitor. At the age of 14, he participated in the building of the Göta Canal (1817). A locomotive of his design, The Novelty, participated in a competition with Stephenson's Rocket in 1829. Ericsson invented and patented (No.588, on 1 Feb 1836) a double rotation propeller. In Aug 1861, the American Congress authorized ironclad warships and one ship of the Monitor type designed by Ericsson was ordered. By Mar 1862 the Monitor was ready for sea. He also developed a torpedo boat, The Destroyer, and worked to design his sun-motor engine. |
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. The first user who solved this task is Nasrin 24 T.
#brainteasers #mastermind
Calculate the number 8692
NUMBERMANIA: Calculate the number 8692 using numbers [8, 1, 9, 7, 81, 478] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. The first user who solved this task is Nasrin 24 T.
#brainteasers #math #numbermania
Find number abc
If aa09c + c05b8 = 5a6b0 find number abc. Multiple solutions may exist. The first user who solved this task is Nasrin 24 T.
#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. The first user who solved this task is Nasrin 24 T.
#brainteasers #mastermind
Calculate the number 3809
NUMBERMANIA: Calculate the number 3809 using numbers [2, 4, 8, 7, 69, 916] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. The first user who solved this task is Nasrin 24 T.
#brainteasers #math #numbermania
MAGIC SQUARE: Calculate A-B*C
The aim is to place the some numbers from the list (5, 21, 22, 24, 25, 29, 30, 31, 34, 39, 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. The first user who solved this task is Nasrin 24 T.
#brainteasers #math #magicsquare
