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Daniel Petta

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280. Sai Ram 4
281. Bitragunta Harshitha 4
282. Daniel Petta 4
283. James Jefferson 4
284. kadirveluselvaraju kadirveluselvaraju 4
last 3 solved tasks
Which number replaces the question mark?
If 2+3=10, 8+4=96, 7+2=63, 6+5=66 then 9+5=?
Which number should replace the question mark?

Bern Dibner

Born 18 Aug 1897; died 6 Jan 1988 at age 90.Ukrainian-American engineer and science historian whoworkedas an engineer during the electrification of Cuba. Realizing the need for improved methods of connecting electrical conductors, in 1924, he founded the Burndy Engineering Company. A few years later, he became interested in the history of Renaissance science. Subsequently, he began collecting books and everything he could find that was related to the history of science. This became a second career as a scholar that would run parallel with his life as a businessman. He wrote many books and pamphlets, on topics from the transport of ancient obelisks, to authoritative biographies of many scientific pioneers, including Alessandro Volta, inventor of the electric battery, and Wilhelm Röntgen, discoverer of the X ray.

Say It With Flowers

A gentleman entered a busy florist shop that displayed a large sign that read "Say It With Flowers."

"Wrap up one rose," he told the florist.

"Only one?" the florist asked.

"Just one," the customer replied. "I'm a man of few words."

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