BRAIN TEASERS
Monthly Archive - July 2022 (page 4)

Monthly Archive - July 2022 (page 4)

brain teasers, puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 31 to 40.
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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: 9
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#brainteasers #mastermind
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Calculate the number 840

NUMBERMANIA: Calculate the number 840 using numbers [8, 6, 8, 5, 99, 164] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 2
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#brainteasers #math #numbermania
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Frank Schlesinger

Died 10 Jul 1943 at age 72 (born 11 May 1871).American astronomer who pioneered in the use of photography to map stellar positions and to measure stellar parallaxes, which could give more precise determinations of distance than visual ones, and with less than one hundredth as much time at the telescope. He designed instruments and mathematical and numerical techniques to improve parallax measurements. He published ten volumes of zone catalogs, including some 150,000 stars. He compiled positions, magnitudes, proper motions, radial velocities, and other data to produce the first edition and, with Louise Jenkins, the second, of the widely-used Bright Star Catalogues, making Yale a leading institution in astrometry. He established a second Yale observatory in South Africa.
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