Find the missing number
[1967] Find the missing number - Find the missing number. - #brainteasers #math - Correct Answers: 219 - The first user who solved this task is Neelima Subrahmanyam
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Find the missing number

Find the missing number.
Correct answers: 219
The first user who solved this task is Neelima Subrahmanyam.
#brainteasers #math
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Assignment Difficulty

An elementary school teacher decides to pole the class on the difficulty of last night’s homework assignment:
How many people were able to complete the assignment without parents help?
About 25% of the class raises their hands. How many people we able to complete the assignment with the help of a parent? About 70% of the class raises their hand. The teacher still notices about 5% of the class did not raise their hands.
She then calls out, "How many people had to help a parent complete your assignment?

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Japan Patent Office

In 1885, in Japan, a Patent Monopoly Act was proclaimed, which effectively established the Japanese Patent Office at that time. The need for a patent system had become clearly apparent in order to speed up modernization efforts (An earlier patent law passed in 1871 had been short-lived, but was abandoned in the following year because it was poorly understood by the people and the government office experience problems with its operation.) The first patent issued by the new office, on 14 Aug 1885, was to Zuisho Hotta for his formulation of an antifouling paint for ship hulls made of lacquer, powdered iron, red lead, persimmon tannin, and other ingredients. A New Utility Model Law was enacted in the 1905 to complement the patent system.«
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