A MAN WORKED AT A HIGH SECURITY INSTITUTION THE MAN TRIED TO LOG INTO HIS COMPUTER AND THE COMPUTER DENIED THE PWORD HE THEN REMEMBERED THAT THE PWORDS TO THE COMPUTERS WERE RESET EVERY MONTH FOR SECURITY REASONS HE CALLED HIS BOSS FOR HIS NEW PWORD THE MAN SAID BOSS MY OLD PWORD IS OUT OF DATE THE BOSS SAID YES IT IS THE NEW R RIDDLES WITH ANSWERS TO SOLVE - PUZZLES & BRAIN TEASERS

May, because it has only 3 letters! Did you answer this riddle correctly?
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When your mouse has teeth marks on it! Did you answer this riddle correctly?
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The man is a minister. Did you answer this riddle correctly?
YES  NO  

Twinkle and Rinki start on opposite sides of the river Did you answer this riddle correctly?
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Take the fox over, return with nothing. Go over with one chicken, return with the fox. Go over with the second chicken, return with nothing. Finally, take the fox over. Did you answer this riddle correctly?
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Go for a disk drive. Did you answer this riddle correctly?
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March Did you answer this riddle correctly?
YES  NO  

12 Did you answer this riddle correctly?
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Eve. She had an Apple in one hand and a Wang in the other. Did you answer this riddle correctly?
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Moo-vember! Did you answer this riddle correctly?
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Decemburrrr. 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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March 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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It depends. The grammar is intentionally misleading; "yesterday was" is generally considered incorrect, but is still something people say. The speaker in the riddle may mean "I wish yesterday were tomorrow" or "I wish yesterday had been tomorrow", etc. So:

I wish yesterday (Wednesday) had been what tomorrow (Friday) will be = today is Thursday.

I wish yesterday had been Thursday so tomorrow would be Friday = today is any day!

I wish yesterday (Tuesday) had been [today's] tomorrow (Thursday), so that today (Wednesday) would be Friday (day after desired yesterday).

I wish yesterday (Saturday) would be [today's] tomorrow, then today (Sunday) would be Friday. Did you answer this riddle correctly?
YES  NO