NEIGHBOR R SOMETIMES 9 LETTERS BUT NEVER 5 LETTERS RI RIDDLES WITH ANSWERS TO SOLVE - PUZZLES & BRAIN TEASERS

One of the 'fathers' is also a grandfather. Therefore the other father is both a son and a father to the grandson.

In other words, the one father is both a son and a father. Did you answer this riddle correctly?
YES  NO  

The horse's name is Friday Did you answer this riddle correctly?
YES  NO  

Eye ('e' and 'y' are the only letters). Did you answer this riddle correctly?
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A Post Ofiice. Did you answer this riddle correctly?
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Saturn. Did you answer this riddle correctly?
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Greece Did you answer this riddle correctly?
YES  NO  

A map. Did you answer this riddle correctly?
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An echo. Did you answer this riddle correctly?
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Tree bark. Did you answer this riddle correctly?
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Morning dew. Did you answer this riddle correctly?
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He's a clock maker. Did you answer this riddle correctly?
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10. Did you answer this riddle correctly?
YES  NO  

13. Did you answer this riddle correctly?
YES  NO  

17. Did you answer this riddle correctly?
YES  NO  

A backpack. Did you answer this riddle correctly?
YES  NO