4/5 part of a tank is filled with oil. After taking out 42 litres of o – McqOptions

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1.	4/5 part of a tank is filled with oil. After taking out 42 litres of oil the tank is 3/4 part full. What is the capacity (in litres) of the tank?
A.	420
B.	630
C.	840
D.	1680
Answer» D. 1680

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