BRAIN TEASERS
The Easiest Tasks (page 595)

The Easiest Tasks (page 595)

puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 5941 to 5950.
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Find number abc

If c8b0a - 1a0c1 = 8a613 find number abc. Multiple solutions may exist.
Correct answers: 8
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#brainteasers #math
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Find number abc

If 8cc08 + bab77 = 97a85 find number abc. Multiple solutions may exist.
Correct answers: 8
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#brainteasers #math
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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.
Correct answers: 8
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#brainteasers #mastermind

A blond and her blond boyfrien...

A blond and her blond boyfriend went for a walk along the river. The blond walked across alone on a wooden bridge. After crossing the river, the bridge fell down. She called across to her blond boyfriend telling him that she couldn't get back.
He yelled in response, "Wait until dark, and I will shine my flash light across the river. Get on the light beam and walk back."
She replied, "No, I'll get half way across the river, and you will turn the light off on me!"
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MAGIC SQUARE: Calculate A*B-C

The aim is to place the some numbers from the list (4, 8, 11, 13, 17, 20, 33, 37, 40, 45) 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.
Correct answers: 8
The first user who solved this task is Nasrin 24 T.
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#brainteasers #math #magicsquare
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Calculate the number 5800

NUMBERMANIA: Calculate the number 5800 using numbers [1, 6, 3, 2, 42, 817] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 8
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math #numbermania
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Calculate the number 866

NUMBERMANIA: Calculate the number 866 using numbers [3, 5, 6, 3, 90, 602] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 8
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math #numbermania
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Find number abc

If 76acc - 10ba3 = 663ab find number abc. Multiple solutions may exist.
Correct answers: 8
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math
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Calculate the number 856

NUMBERMANIA: Calculate the number 856 using numbers [4, 9, 4, 4, 30, 764] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 8
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math #numbermania
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Calculate the number 4802

NUMBERMANIA: Calculate the number 4802 using numbers [5, 6, 3, 4, 22, 590] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 8
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math #numbermania
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Calculate the number 3656

NUMBERMANIA: Calculate the number 3656 using numbers [1, 3, 9, 2, 66, 384] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 8
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math #numbermania
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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.
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Rayon

In 1902, the "making of cellulose esters" was jointly patented by William H. Walker, Arthur D. Little and Harry S. Mork of Massachusetts. (U.S. No. 709922). A month later, on 28 Oct 1902, they also patented artificial silk (No. 712,200). Viscose was an early name for the product. The term rayon was adopted by the textile industry in 1924 to replace "artificial silk" and similar names. It was said to derive from the French for "shine" - a reference to its silklike lustre. Unlike most man-made fibers, rayon is not synthetic. Made from wood pulp, a naturally-occurring, cellulose-based raw material, rayon's properties are more similar to those of natural cellulosic fibers, such as cotton or linen, than those of petroleum-based synthetic fibers such as nylon.
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