BRAIN TEASERS
The Most Difficult Tasks (page 123)

The Most Difficult Tasks (page 123)

puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 1221 to 1230.
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MAGIC SQUARE: Calculate A+B-C

The aim is to place the some numbers from the list (7, 8, 11, 25, 26, 29, 51, 52, 55) 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: 2
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Find number abc

If a4a6b - 2146a = c3293 find number abc. Multiple solutions may exist.
Correct answers: 2
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Find number abc

If 2232a + 678ba = 90bc0 find number abc. Multiple solutions may exist.
Correct answers: 2
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#brainteasers #math

This young man was elated when ...

This young man was elated when he turned eighteen in a state where curfew is 11:00 p.m. for any one under seventeen years of age. He told his Dad how happy he was that now he could stay out until 3:00 a.m. if he wanted.
“Yes you can stay out as late as you want, but the car is under seventeen and it has to be in the garage by eleven,” his father said.
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Find number abc

If 7828c - b02ab = 180a3 find number abc. Multiple solutions may exist.
Correct answers: 2
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Find number abc

If 8acb0 + c6baa = 1601ca find number abc. Multiple solutions may exist.
Correct answers: 2
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#brainteasers #math
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MAGIC SQUARE: Calculate A*B*C

The aim is to place the some numbers from the list (2, 3, 6, 24, 25, 28, 29, 69, 70, 73) 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: 2
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#brainteasers #math #magicsquare
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MAGIC SQUARE: Calculate A*B-C

The aim is to place the some numbers from the list (2, 3, 10, 20, 21, 28, 48, 49, 56, 67, 73) 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: 2
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#brainteasers #math #magicsquare
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Find number abc

If cb7cb - 47aa4 = 3cb61 find number abc. Multiple solutions may exist.
Correct answers: 2
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#brainteasers #math
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MAGIC SQUARE: Calculate A-B+C

The aim is to place the some numbers from the list (3, 7, 12, 14, 18, 23, 27, 31, 36, 65, 71) 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: 2
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#brainteasers #math #magicsquare
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Find number abc

If c9cac - 4c937 = 13c6b find number abc. Multiple solutions may exist.
Correct answers: 2
CHECK ANSWER
#brainteasers #math
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Ford Model T

In 1908, the Ford Model T car, the first car model to be made on an assembly line, was introduced to the public at a price of $825. It was an immediate sensation. Before long, it was the largest selling car in the United States, often accounting for over half the sales in the country. True mass production was born with the Model T. As volumes rose, costs came down. By 1925, a coupe sold for $525 new, while a two-door runabout went for only $260. The first production Model T came off the assembly line on 27 Sep 1908, and the last Model T was celebrated on 26 May 1927.
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