A sample of 50 litres of glycerine is found to be adulterated to the extent of 2

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A sample of 50 litres of glycerine is found to be adulterated to the extent of 20%. How much pure glycerine should be added to it so as to bring down the percentage of impurity to 5% ?

Options:

A . 155 litres

B . 150 litres

C . 150.4 litres

D . 140 litres

Answer: Option B

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