An Unpopular Invention
My invention is not very popular with people who visit the doctor. It is pointy and sometimes makes people cry. Who am I and what did I invent?
Hint:
Keeping You Cool
My name is Frederick McKinley Jones, and I invented the machine that keeps you nice and cool on hot summer days. What did I invent?
Hint:
The Mechanically Inclined Inventor
Hint:
Going To High Places
My invention makes it easier for people to get to high places without climbing stairs. What did I invent?
Hint:
African American Poet Riddle
Hint:
Missionary Among Slaves
I lived from 1797 to 1883.
I was a missionary among slaves in New York.
I used my talent of speaker for the slavery movement.
My name was changed by a Quaker family to Van Wagener.
I was a missionary among slaves in New York.
I used my talent of speaker for the slavery movement.
My name was changed by a Quaker family to Van Wagener.
Hint:
Fought For Education Riddle
I saw education as the key to improving the lives of African-Americans in the 1900s, and fought to educate my people. Who am I?
Hint:
Father Of The Peanut
Some call me the father of the peanut, for I discovered 300 useful things made of the peanut. Who am I?
Hint:
Touch Tone Pioneer
This African American pioneer fostered the invention of touch tone phones and the portable fax. Who is it?
Hint:
America's First Clock Riddle
Hint:
Railroad To Freedom
Hint:
Pronounced As One Letter
Pronounced as one letter, And written with three, Two letters there are, And two only in me. I'm double, I'm single, I'm black, blue, and gray, I'm read from both ends, And the same either way. What am I?
Hint:
The Emperor's Proposition Riddle
You are a prisoner sentenced to death. The Emperor offers you a chance to live by playing a simple game. He gives you 50 black marbles, 50 white marbles and 2 empty bowls. He then says, "Divide these 100 marbles into these 2 bowls. You can divide them any way you like as long as you use all the marbles. Then I will blindfold you and mix the bowls around. You then can choose one bowl and remove ONE marble. If the marble is WHITE you will live, but if the marble is BLACK... you will die."
How do you divide the marbles up so that you have the greatest probability of choosing a WHITE marble?
How do you divide the marbles up so that you have the greatest probability of choosing a WHITE marble?
Hint: The answer does not guarantee 100% you will chose a white marble, but you have a much better chance.
Place 1 white marble in one bowl, and place the rest of the marbles in the other bowl (49 whites, and 50 blacks).
This way you begin with a 50/50 chance of choosing the bowl with just one white marble, therefore life! BUT even if you choose the other bowl, you still have ALMOST a 50/50 chance at picking one of the 49 white marbles. Did you answer this riddle correctly?
YES NO
This way you begin with a 50/50 chance of choosing the bowl with just one white marble, therefore life! BUT even if you choose the other bowl, you still have ALMOST a 50/50 chance at picking one of the 49 white marbles. Did you answer this riddle correctly?
YES NO
Strings, Hammers And Pedals Riddle
This is something that can be played
But it doesn't require balls
It has many black and white keys
And strings, hammers and some pedals
But it doesn't require balls
It has many black and white keys
And strings, hammers and some pedals
Hint:
I Can Be Grand Riddle
I am a type of instrument
That can be grand or upright
I have hammers, strings and pedals
And my keys are black and white
That can be grand or upright
I have hammers, strings and pedals
And my keys are black and white
Hint:
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