BRAIN TEASERS
Math (page 137)

Math (page 137)

These are fun math riddles. All of these tricky riddles are based on real math concepts and can be solved with purely math and logic. These are the tasks listed 1361 to 1370.
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Find number abc

If 32a0a + 835b0 = ccb4ba find number abc. Multiple solutions may exist.
Correct answers: 22
The first user who solved this task is Nasrin 24 T.
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Calculate the number 2599

NUMBERMANIA: Calculate the number 2599 using numbers [2, 4, 5, 1, 83, 343] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 11
The first user who solved this task is Nasrin 24 T.
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#brainteasers #math #numbermania
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MAGIC SQUARE: Calculate A-B-C

The aim is to place the some numbers from the list (21, 24, 26, 27, 30, 32, 64, 67, 69) 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: 10
The first user who solved this task is Nasrin 24 T.
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#brainteasers #math #magicsquare

Insults

A man and his wife, who was 8 months pregnant, were doing some holiday shopping in crowded mall. They had been trading humorous insults for most of the evening, and the man decided that he was going to really get her. He announced in a loud voice, "If you don't stop insulting me, I'm not going to marry you!"

He was disappointed that only a few people around them reacted, but his wife managed to bring down the house when she responded, "That's OK, I won't tell you who the father is!"

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Find number abc

If 6b2a4 + 177bc = ac0c7 find number abc. Multiple solutions may exist.
Correct answers: 20
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math
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Calculate the number 1570

NUMBERMANIA: Calculate the number 1570 using numbers [4, 8, 1, 2, 21, 203] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 12
The first user who solved this task is Nasrin 24 T.
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#brainteasers #math #numbermania
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Find number abc

If 58613 - bcc01 = b8a1b find number abc. Multiple solutions may exist.
Correct answers: 17
The first user who solved this task is Nasrin 24 T.
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#brainteasers #math
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Calculate the number 5807

NUMBERMANIA: Calculate the number 5807 using numbers [7, 2, 4, 3, 25, 621] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 12
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math #numbermania
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MAGIC SQUARE: Calculate A-B+C

The aim is to place the some numbers from the list (14, 17, 23, 25, 26, 28, 34, 61, 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.
Correct answers: 11
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math #magicsquare
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Find number abc

If 4c59b - ab091 = 15507 find number abc. Multiple solutions may exist.
Correct answers: 18
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math
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Calculate the number 705

NUMBERMANIA: Calculate the number 705 using numbers [3, 3, 3, 1, 66, 107] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 13
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math #numbermania
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Otto Struve

Born 12 Aug 1897; died 6 Apr 1963 at age 65. Russian-American astronomer who was a fourth generation astronomer, the great-grandson of Friedrich Struve. He made detailed spectroscopic investigations of stars, especially close binaries and peculiar stars, the interstellar medium (where he discovered H II regions), and gaseous nebulae. He contributed to the understanding of the broadening of spectral lines due to stellar rotation, electric fields, and turbulence and worked to separate these effects from each other and from chemical abundances. He was a pioneer in the study of mass transfer in closely interacting binary stars. Struve emigrated to the USA (1921) and joined the Yerkes Observatory, Wisconsin, becoming its director in 1932.«
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