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A gas station contaminates petrol with kerosene to earn extra profit, which costs one-third of petrol and contributes only 20% to mileage. The mileage of a motorist dropped from 20 to 16 after filling up his tank which was almost empty. If the gas station initially earned 12.5% profit on pure petrol...

by Harshita567

Wed Jul 31, 2019 12:07 am
Forum: GMAT Math
Topic: Percentage
Replies: 3
Views: 10261