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The ratio of kerosene to petrol in 100 litres of adulterated petrol is 7 : 25. The amount of kerosene to be added to 100 litres of adulterated petrol to make the ratio 9 : 25 is
Options :-
- 5 litres
- 6.5 litres
- 6.25 litres
- 6.75 litres
- 7.25 litres
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