Calculate A*B-C+D
[6439] Calculate A*B-C+D - Look at the series (10, 19, 36, D, C, A, 520, 1033, 2058, 4107, B, 16397, ...), determine the pattern, and find the unknown values (A, B, C and D) and calculate A*B-C+D! - #brainteasers #math - Correct Answers: 30 - The first user who solved this task is Nasrin 24 T
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Calculate A*B-C+D

Look at the series (10, 19, 36, D, C, A, 520, 1033, 2058, 4107, B, 16397, ...), determine the pattern, and find the unknown values (A, B, C and D) and calculate A*B-C+D!
Correct answers: 30
The first user who solved this task is Nasrin 24 T.
#brainteasers #math
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Ben Bailey: Slow People in the Subway

The thing I hate the most about the subway is every time I get off the train and Im trying to get out of the station and back up to the street, I end up getting stuck behind these really slow people on the stairs. It happens to me every time I take the subway. Its been happening to me for years. And my question is this: how the hell do they keep beating me to the stairway?
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Alfred Bernhard Nobel

Died 10 Dec 1896 at age 63 (born 21 Oct 1833). Swedish chemist and inventor who invented dynamite and other, more powerful explosives. An explosives expert like his father, in 1866 he invented a safe and manageable form of nitroglycerin he called dynamite, and later, smokeless gunpowder and (1875) gelignite. He helped to create an industrial empire manufacturing many of his other inventions. Nobel amassed a huge fortune, much of which he left in a fund to endow the annual prizes that bear his name. First awarded in 1901, these prizes were for achievements in the areas of physics, chemistry, physiology or medicine, literature, and peace. The sixth prize, for economics, was instituted in his honour in 1969.
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