A single refined oil can contains 20% impurities. After doubl – McqOptions

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1.	A single refined oil can contains 20% impurities. After double – refining it contains 4% impurities. How much of double- refined oil can be obtained from 30 litres of single refined oil?
A.	24.0 litres
B.	24.8 litres
C.	25.0 litres
D.	25.5 litres
Answer» D. 25.5 litres

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