Answers

2015-03-10T18:48:43+05:30
12 sheets = 40 grams 
1 sheet= 3.33 grams 
2.5 kg = _ sheets 
          =2500/0.33
          = 750 sheets

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2015-03-10T18:49:17+05:30
Weight of one sheet=x
12x=40 g
x=40/12=3.33 g
total weight=5/2 kg=2.5 kg=2500 g
number of sheets=2500/3.33
=750 full sheets
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