HARD AND NY RIDD RIDDLES WITH ANSWERS TO SOLVE - PUZZLES & BRAIN TEASERS

You have a profile picture, you sit around all day writing on walls, and you get poked by guys you don't really know! Did you answer this riddle correctly?
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The speed at which a pendulum swings is called the period and given by the equation:


2 x pi x square root of (length of rope from fulcrum to Center of Mass divided by gravity)

Since gravity is constant, the only thing that effects the period is the length of rope. In the above scenario, you assume the man is taller then the child. Therefore his center of mass is higher. This makes the distance between the fulcrum to the center of mass shorter then for the child. The man swings faster. Did you answer this riddle correctly?
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The magic word Did you answer this riddle correctly?
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Hairy Potter! Did you answer this riddle correctly?
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They usually run at the first sign of emotion. Did you answer this riddle correctly?
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The rock in rock-paper-scissors. Did you answer this riddle correctly?
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Ancient Roman numerals. IX - "Cut" it in half and you get IV
XI- "Cut" it in half and you get VI
III- "Cut" it in half and you get also III
Did you answer this riddle correctly?
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Key Did you answer this riddle correctly?
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Piano keys, keyboard keys, monkey, donkey, turkey, jockey, hockey, doohickey, malarkey and passkey. Did you answer this riddle correctly?
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Because when she kept it in the freezer it took too much skin off. Did you answer this riddle correctly?
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The ice falls out of your drinks! Did you answer this riddle correctly?
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24 carrots! (24 karats) Did you answer this riddle correctly?
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They both have rings Did you answer this riddle correctly?
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We know from (3) that the youngest person was not the victim, from (4) that the youngest person was not the helper and from (6) that the youngest person was not the killer. The youngest person can only have been the witness therefore. If we make up a chart there are now three possible combinations:

Oldest person (father) H H M

Next to oldest (mother) V M H

Next to youngest (son) M V V

Youngest (daughter) W W W

(H = Helper ; V = Victim ; M = Murderer ; W = Witness)

We can work out from (5) that the father was the oldest, from (2) that the youngest person must have been the daughter. Therefore the next to the youngest must have been the son and the next to the oldest, the mother.

Of three possibilities: the first is impossible (from (3) the youngest person and the victim were of different sexes); the third is also impossible (from (1) the witness and the helper were of different sexes). Therefore only the second possibility holds and the mother was the murderess Did you answer this riddle correctly?
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A twenty dollar bill. Did you answer this riddle correctly?
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