A boy is twice as old as his...
[3294] A boy is twice as old as his... - A boy is twice as old as his sister, and half as old as their father. In 50 years, his sister will be half as old as their father. How old is the boy now? - #brainteasers #math #riddles - Correct Answers: 61 - The first user who solved this task is Sanja Šabović
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A boy is twice as old as his...

A boy is twice as old as his sister, and half as old as their father. In 50 years, his sister will be half as old as their father. How old is the boy now?
Correct answers: 61
The first user who solved this task is Sanja Šabović.
#brainteasers #math #riddles
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Infrequently

An elderly couple who are both widowed have been courting for a long time.

They decide it's finally time to get married. Before the wedding, they go out to dinner and talk about how their marriage might work.

They discuss finances, living arrangements and so on.

Finally, the man broaches the subject of their physical relationship.

"How do you feel about sex?" he asks, rather tentatively.

"I would like it infrequently," replies the old lady.

The old gentleman sits quietly for a moment, adjusts his glasses, leans over towards her and whispers: "Is that one word or two?"

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First U.S. commercial gasoline engine

In 1872, George B. Brayton of Boston, Mass. (3 Oct 1830 - 17 Dec 1892) received a U.S. patent for a gas-powered engine (No. 125,166). He did pioneering work inventing this first American commercial internal combustion engine, which he manufactured and sold. Its principle of continuous ignition later became the basis for the turbine engine. A pressurized air-fuel mixture from a reservoir was ignited upon entering a water-cooled cylinder. The Brayton engine was tried in watercraft, one of John Holland's submarines and one for a few months installed in a carriage (1872-3). He held British patent Jul 1890, No. 11,062.«
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