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Suhasini Viswanathan C

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MATH PUZZLE: Can you replace the question mark with a number?
MATH PUZZLE: Can you replace the question mark with a number?
MATH PUZZLE: Can you replace the question mark with a number?

James Bicheno Francis

Born 18 May 1815; died 18 Sep 1892 at age 77.British-American engineer who originated scientific methods to test hydraulic machinery and invented the Francis mixed-flow reaction turbine (combining radial- and axial-flow) for low-pressure installations. He emigrated to the U.S. at age 18, and joined the Locks and Canal Co., Lowell, Mass. In 1837, he became its Chief Engineer until retirement. The company owned and operated Lowell's canal system providing waterpower for the textile industry there. Francis designed a more efficient successor to the Boyden turbine, with Uriah A. Boyden of Boston. Being half the size but equal in power, two fit in each wheel pit and doubled power generation.The turbine acted as a hydraulic motor to drive many mill machines through belts and line shafts. He was a founding member of the American Society of Civil Engineers and its president in 1880.«

Scary Flight

After waiting for what seemed like an eternity, the stewardess announces over the intercom that "we're just waiting for the pilots."

The passengers look out the window and see two men, dressed as pilots walking towards the plane. Both men are using guide dogs and appear to be blind. There are murmurs among the passengers, and some believe it is a joke.

The men board the plane and go into the cockpit. More concerned murmurs and uneasy chuckles from the passengers. The plane taxis normally to the runway and begins it's takeoff. As passengers look out the window they realize they are nearing the end of the runway. The entire passenger cabin begins screaming but the plane lifts off just before the end of the runway. The passengers calm down and chuckle to themselves, at this point believing that they fell for a joke.
In the cockpit, the pilot turns to his copilot and says "you know, one day those people are gonna scream too late and we're all gonna die!"

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