21 binders can bind 1400 books in 15 days. How many binders will required to bind 800 books in 20 days ? Options: A . &nbsp7 B . &nbsp9 C . &nbsp12 D . &nbsp14 E . &nbspNone of these

21 binders can bind 1400 books in 15 days. How many binders will required to bin

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21 binders can bind 1400 books in 15 days. How many binders will required to bind 800 books in 20 days ?

Answer: Option B

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