A MAN WANTED TO ENTER AN EXCLUSIVE CLUB BUT DID NOT KNOW THE PWORD THAT WAS REQUIRED HE WAITED BY THE DOOR AND LISTENED A CLUB MEMBER KNOCKED ON THE DOOR AND THE DOORMAN SAID TWELVE THE MEMBER REPLIED SIX AND WAS LET IN A S RIDDLES WITH ANSWERS TO SOLVE - PUZZLES & BRAIN TEASERS

Windowas Did you answer this riddle correctly?
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She was throwing away all the W's... Did you answer this riddle correctly?
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The one where you get electrocuted, there is no electricity! Did you answer this riddle correctly?
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Envelope. Eye is a potential alternative. When spoken out loud it sounds like a single letter (I). Did you answer this riddle correctly?
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The third equation has a term with a pair of whistles. The last line involves a single whistle.

Furthermore, the man in the second and third lines are wearing a whistle, but the man in the last line is not wearing a whistle. Presumably the value of the whistle should be accounted for to get the correct answer.

The pictures can be translated into the following equations:

shoes + shoes + shoes = 30
shoes + (man + whistle) + (man + whistle) = 20
(man + whistle) + 2(whistles) + 2(whistles) = 13
shoes + (man) x (whistle) = ?

From the first equation we can solve for the shoes value:

shoes + shoes + shoes = 30
3(shoes) = 30
shoes = 10

We can then solve the second equation for the (man + whistle) value:

shoes + (man + whistle) + (man + whistle) = 20
10 + 2(man + whistle) = 20
2(man + whistle) = 10
man + whistle = 5

Then we solve the third equation for the whistle:

(man + whistle) + 2(whistles) + 2(whistles) = 13
5 + 4(whistles) = 13
4(whistles) = 8
whistle = 2

We also need to solve for the value of the man:

man + whistle = 5
man + 2 = 5
man = 3

Now we can evaluate the final expression, remembering the order of operations that multiplication should be evaluated before addition:

shoes + (man) x (whistle) = ?

10 + 3 x 2
= 10 + 3 x 2
= 10 + 6
= 16 Did you answer this riddle correctly?
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Teapot Did you answer this riddle correctly?
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A mailbox Did you answer this riddle correctly?
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You don't knock on your own hotel door and the man did. Did you answer this riddle correctly?
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Post Office is the correct answer to this riddle

A post office is a public department that offers mail-related services such as letters, money orders, postage stamps, etc. Did you answer this riddle correctly?
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SAG Did you answer this riddle correctly?
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6 was afraid of 7 because the 7 ate 9! Did you answer this riddle correctly?
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The letter 'x'. It is the 24th letter of the alphabet, XX in Roman numerals is 20, and XXX is a label for movies that are very inappropriate (unclean). Did you answer this riddle correctly?
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Go through number three. You'll survive because it's an electric chair and there is no electricity. Did you answer this riddle correctly?
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The Letter E Did you answer this riddle correctly?
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Dozens. Did you answer this riddle correctly?
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