Can you replace the question mark with a number?
[6527] Can you replace the question mark with a number? - MATH PUZZLE: Can you replace the question mark with a number? - #brainteasers #math #riddles - Correct Answers: 31 - The first user who solved this task is Nasrin 24 T
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Can you replace the question mark with a number?

MATH PUZZLE: Can you replace the question mark with a number?
Correct answers: 31
The first user who solved this task is Nasrin 24 T.
#brainteasers #math #riddles
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6 Good jokes for Happy Friday

I am looking for someone to brush their teeth with me...
I just found out that 9 out of 10 dentists say brushing alone won't reduce cavities

My son asked if I was named after my dad.
I said, "of course I was, he was born many years before me."

When your girlfriend comes home in a white suit covered in bee stings and smelling like honey...
You know she's a keeper.

People always ask where is Bigfoot? But never ask How is Bigfoot?
Yeti never complains

A friend told me he doesn't let his kids watch orchestra performances
cuz there's too much sax and violins.

My friend asked me if I had ever tried blindfolded archery. I replied that I hadn't.
He said, "It's great. You don't know what you're missing!

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Robert Stirling

Born 25 Oct 1790; died 6 Jun 1878 at age 87.Scottish minister and inventor of the Stirling Cycle engine. Its principles were included in his first British patent, No. 4081 (1816), which he called the heat economiser as he described methods of regenerating heat from exhaust back into input gases. He continued to refine his idea for years in his home workshop during his spare time. The first practical Stirling engine generated about 2 horsepower, spending two years pumping water out of a quarry. By 1843, he had a modified steam engine producing 37 horsepower. He was assisted in preparing further patents by his brother James, a mechanical engineer who managed a foundry where the engine was manufactured. Robert also made scientific instruments.«
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