NIFT PG 2009 Question Paper with solutions

Question : 138 of 150

Marks: +1, -0

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

Solution:

Thus,

x/21=800/1400×15/20

⇒x=4/7×3/4×21=9

Hence, number of binders = 9

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