Find number abc
[7939] Find number abc - If 3bc70 + c7c7b = a9b4b find number abc. Multiple solutions may exist. - #brainteasers #math - Correct Answers: 0
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Find number abc

If 3bc70 + c7c7b = a9b4b find number abc. Multiple solutions may exist.
Correct answers: 0
#brainteasers #math
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Half-Fare Special

One of the airlines recently introduced a special half-fare rate for wives accompanying their husbands on business trips.
Anticipating some valuable testimonials, the publicity department of the airline sent out letters to all the wives of businessmen who used the special rates, asking how they enjoyed their trip.

Responses are still pouring in asking, "What trip?"        

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Paul Langevin

Died 19 Dec 1946 at age 74 (born 23 Jan 1872).French physicist who was the first to explain(1905) the effects of paramagnetism and diamagnetism (the weak attraction or repulsion of substances in a magnetic field) using statistical mechanics. He further theorized how the effects could be explained by how electron charges behaved within the atom. He popularized Einstein's theories for the French public. During WW I, he began developing a source for high intensity ultrasonic waves, which made sonar detection of submarines possible. He created the ultrasound from piezoelectric crystals vibrated by high-frequency radio circuits. In WW II, he spoke out against the Nazis, for which he was arrested and imprisoned, though he managed to escaped and fled to Switzerland.«
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