Question
A solution contains 10% water. How much water should be
added to 30 liters of the sugar and water solution to increase the water content to 25%?Solution
Total solution = 30 liter water = 10% of 30 = 3 liter sugar = 30-3 = 27 liter let x liter of water is to be added according to question- 
The resistance of the human body (dry condition) is of the order of –
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