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Answer:
6 books=600grams
X books=5/2 kg=2500grams
So, 6/600=X/2500
By cross multiplication,
X=2500^6/600=25 books
Answered by
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Answer:
weight of one book:- 600/6=0.1kg
Therefore,no. of books when weight is 2½kg
=> 2½/0.1
=>5/2÷1/10
=>25books
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