BRAIN TEASERS

# MATH PUZZLE: Can you replace...

MATH PUZZLE: Can you replace the question mark with a number?
The first user who solved this task is Brian Macpherson.
#brainteasers #math #riddles

### Question and answer blond jokes

Q: Why don't blondes call 911 in an emergency?

A: They can't remember the number.

Q: Why don't blondes call 911 in an emergency?

A: She can't find the number 11 on the telephone buttons.

Q: How many blondes does it take to change a lightbulb?

A: "What's a lightbulb?"

Q: How many blondes does it take to change a lightbulb?

A: Two. One to hold the Diet Pepsi, and one to call, "Daaady!"

Q: How do you get rid of blondes?

A: Form a circle, give each blonde a gun, and tell them they are a firing squad.

Q: Santa Claus, the Tooth Fairy, a dumb blonde, and a smart blonde are walking down the street when they spot a \$10bill. Who picks it up?

A: The dumb blonde! because, there is no such thing as Santa Claus, the tooth fairy, or a smart blonde.

Q: Santa Claus, the Tooth Fairy, a dumb blonde, and a smart blonde are walking down the street when they spot a \$10bill. Who picks it up?

A: None of them, two don't exist and the dumb blonde thought it was a gum wrapper.

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## Brain Teasers

puzzles, riddles, mathematical problems, mastermind, cinemania...

### William H. Stein

Born 25 Jun 1911; died 2 Feb 1980 at age 68.William Howard Stein was an American biochemist who (with Stanford Moore and Christian B. Anfinsen) was a cowinner of the Nobel Prize for Chemistry in 1972 for their studies of the pancreatic enzyme ribonuclease. Stein, with Moore, investigated the connection between its chemical structure and the catalytic activity of the active centre of the ribonuclease molecule. Between 1949 and 1963, they developed methods for the analysis of amino acids and peptides obtained from proteins, determined the structure of ribonuclease, and it catalyzes the digestion of food. By 1972, they had also worked out the complete sequence of deoxyribonuclease, a molecule twice as complex as ribonuclease.
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