A TRAVELLER COMES TO A FORK IN THE ROAD WHICH LEADS TO TWO VILLIAGES IN ONE VILLIAGE THE PEOPLE ALWAYS TELL LIES AND IN THE OTHER VILLIAGE THE PEOPLE RIDDLES WITH ANSWERS TO SOLVE - PUZZLES & BRAIN TEASERS

If the backyard and garden are two different locations then there would be one person left in the garden. This is because the murderous rampage took place in the backyard, not the garden. However, the riddle solver considers that the backyard and the garden is the same place then, then zero people would be left, as the killer would technically be counted amongst the 34 people. Did you answer this riddle correctly?
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5

You walked into the room which added 1 + 34 = 35

Then you take away 30 from 35 = 5 Did you answer this riddle correctly?
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A mirror Did you answer this riddle correctly?
YES  NO  

When he's a ruler Did you answer this riddle correctly?
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It was the chicken's day off Did you answer this riddle correctly?
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To get to the other side! Did you answer this riddle correctly?
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To prove he wasn't chicken! Did you answer this riddle correctly?
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To get to the udder side! Did you answer this riddle correctly?
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A dead end! Did you answer this riddle correctly?
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To get to the supermarket! Did you answer this riddle correctly?
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She was a small medium at large! Did you answer this riddle correctly?
YES  NO  

It is going to the 'shell'station Did you answer this riddle correctly?
YES  NO  

They tend to lose their balance. Did you answer this riddle correctly?
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Because somebody shouted hay! Did you answer this riddle correctly?
YES  NO  

Because he ran out of juice. Did you answer this riddle correctly?
YES  NO