WHAT DID THE SCIENTIST SAY WHEN HE FOUND 2 ATOMS OF HE RIDDLES WITH ANSWERS TO SOLVE - PUZZLES & BRAIN TEASERS

They rarely strike the same place twice. Did you answer this riddle correctly?
YES  NO  

The library Did you answer this riddle correctly?
YES  NO  

With its keys. Did you answer this riddle correctly?
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The third servant because they said they were dusting the corners of the house, but the house has no corners since it's a circle! Did you answer this riddle correctly?
YES  NO  

She wanted to see a butterfly. Did you answer this riddle correctly?
YES  NO  

Butterfly Did you answer this riddle correctly?
YES  NO  

He was feeling crummy. Did you answer this riddle correctly?
YES  NO  

It was getting all bent out of shape over nothing. Did you answer this riddle correctly?
YES  NO  

It was ready to turn over a new leaf. Did you answer this riddle correctly?
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It's his grandma Did you answer this riddle correctly?
YES  NO  

No. When you remove the two diagonal spaces from the chess board they are both black or both white, making it so that there are two more of the other color. Each domino would cover 1 black and 1 white space. So 31 of them would have to cover 31 white spaces and 31 black spaces but with the corners removed there are 30 of one color and 32 of the other. Did you answer this riddle correctly?
YES  NO  

The maid, there is no mail on Sunday. Did you answer this riddle correctly?
YES  NO  

He was inside cleaning windows. Did you answer this riddle correctly?
YES  NO  

Felice and Nicholas are the murderers. The numbers correspond to atomic numbers on the periodic table of elements: 'Fe-Li-Ce/Ni-Co-La-S'. Did you answer this riddle correctly?
YES  NO  

Dustin is Australian, where the three hottest summer months are December, January and February. Did you answer this riddle correctly?
YES  NO