A mixture of 45 liters of spirit and water contains 20% of water in it. How much water must be added to make the water 25% in the new mixture? 5 liters 3 liters 4 liters 6 liters none of these
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quantity of water according to 20% water= 20%×45=> 20/100×45 => 9 litre
quantity of water according to 25% = 25%×45
= 25/100×45 =1/4×45= 11.25 litres
quantity of water added to the mixture= 11.25-9 = 1.25
Answer=> 1.25
quantity of water according to 25% = 25%×45
= 25/100×45 =1/4×45= 11.25 litres
quantity of water added to the mixture= 11.25-9 = 1.25
Answer=> 1.25
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