Replace the question mark with a number
[3215] Replace the question mark with a number - MATH PUZZLE: Can you replace the question mark with a number? - #brainteasers #math #riddles - Correct Answers: 451 - The first user who solved this task is Sanja Šabović
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Replace the question mark with a number

MATH PUZZLE: Can you replace the question mark with a number?
Correct answers: 451
The first user who solved this task is Sanja Šabović.
#brainteasers #math #riddles
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I Want to Be a Pastor When I Grow Up

After a church service on Sunday morning, a young boy suddenly announced to his mother, “Mom, I’ve decided to become a priest when I grow up.”“That’s OK with us,” she said, “but what made you decide that?”“Well,” said the little boy, “I have to go to church on Sunday anyway, and I figure it will be more fun to stand up and yell than to sit down and listen.”
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Sources of all energy

In 1881, in a PresidentialAddress to the British Association, at York, Sir William Thomson (Lord Kelvin) spokeOn the Sources of Energy in Nature Available to Man for the Production of Mechanical Effect. He summarized the natural sources of energy as Tides, Food, Fuel, Wind, and Rain. All except the tides derive energy from the sun. “Heat radiated from the sun ... is the principal source of mechanical effect available to man.” He referred to tide mills, and the possibility of storing energy in batteries between tides, but nevertheless considered the economics impractical for wide application. Windpower he considered “decadent,” but acknowledged coal would become an exhausted resource, thus windmills should generate electrical power. Kelvin also outlined the economics of hydroelectricity.«
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