What is the missing number?
[4971] What is the missing number? - MATH PUZZLE: Can you replace the question mark with a number? - #brainteasers #math #riddles - Correct Answers: 45 - The first user who solved this task is Djordje Timotijevic
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What is the missing number?

MATH PUZZLE: Can you replace the question mark with a number?
Correct answers: 45
The first user who solved this task is Djordje Timotijevic.
#brainteasers #math #riddles
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What do you call a Mexican bodybuilder who runs out of protein?

What do you call a Mexican bodybuilder who runs out of protein?

No Whey José.

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Hale telescope

In 1948, the 200-inch (5.08 m) reflecting Hale telescope at the Palomar Mountain Observatory in California was dedicated. This was the first in the world with a 200-inch lens, which after casting was permitted to cool slowly over an 11 month period. The resulting 20-ton glass disk then required years years of careful grinding and polishing, interrupted by WW II. The telescope was officially named after Dr. George Ellery Hale who conceived, designed and promoted this telescope, though he died before it was completed. On 1 Feb 1949, studies first began with observations were first made of the constellation Coma Berenices.
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