MRS SMITH HAS NINE CHILDREN HALF OF THEM ARE GIRLS HOW CAN THIS BE RI RIDDLES WITH ANSWERS TO SOLVE - PUZZLES & BRAIN TEASERS

A tree Did you answer this riddle correctly?
YES  NO  

I'm a Beetle Did you answer this riddle correctly?
YES  NO  

I'm a tree. Did you answer this riddle correctly?
YES  NO  

Invitro fertilization. Two different eggs fertilized at different times and implanted into the mother's womb. Did you answer this riddle correctly?
YES  NO  

A cell phone Did you answer this riddle correctly?
YES  NO  

The phone. Did you answer this riddle correctly?
YES  NO  

Your mother ate us out of house and home. Did you answer this riddle correctly?
YES  NO  

Adversity Did you answer this riddle correctly?
YES  NO  

Rivers Did you answer this riddle correctly?
YES  NO  

They have two banks! Did you answer this riddle correctly?
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Nothing Did you answer this riddle correctly?
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The dew. Did you answer this riddle correctly?
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Hop in! Did you answer this riddle correctly?
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Earthquake Did you answer this riddle correctly?
YES  NO  

18

More hours => more burgers.
More boys => more burgers.

The time become twice (3 hours / 1.5 hours).
Boys become six times (9 / 1.5).

Number of burgers = 2 * 6 * Original(1.5)
= 18 Did you answer this riddle correctly?
YES  NO