Calculate the number 6402
[724] Calculate the number 6402 - NUMBERMANIA: Calculate the number 6402 using numbers [2, 6, 9, 8, 24, 997] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 35 - The first user who solved this task is Sanja Šabović
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Calculate the number 6402

NUMBERMANIA: Calculate the number 6402 using numbers [2, 6, 9, 8, 24, 997] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 35
The first user who solved this task is Sanja Šabović.
#brainteasers #math #numbermania
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The race

Two natural gas company service personnel, a senior training supervisor and a young trainee, were out checking meters in a suburban neighborhood. They parked their truck at the end of an alley and worked their way to the other end.

At the last house, a woman looking out her kitchen window watched the two men as they checked her gas meter. When they finished, the senior supervisor, proud of his physical condition, challenged his younger co-worker to a foot race back to their truck.

As they approached the truck, they realized that the woman from the last house they checked was huffing and puffing right behind them. They stopped and asked her what was wrong.

Gasping for breath, she replied, "When I saw two gas men running as hard as you two were, I figured I'd better run, too!"

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John Dollond

Born 10 Jun 1706; died 30 Nov 1761 at age 55.English optical instrument maker of optical and astronomical instruments who developed (1758) and patented an achromatic (non- colour- distorting) refracting telescope and a practical heliometer, a telescope used to measure the Sun's diameter and the angles between celestial bodies. In the 1730's, Chester More Hall, an attorney with an interest in telescopes, first discovered that flint glass appeared to have a greater color dispersion than crown glass did at the same magnifications. Hall reasoned that if he cemented the concave face of a flint glass lens to the convex face of a crown glass lens, he could remove the dispersion properties (and thus, chromatic aberration) from both lenses simultaneously. Dollond learned of the technique in the 1750's and developed it.
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