Question
300 liters of oil was poured into a tank, which was
still 40% empty. How much oil must be poured into the tank to fill it to the brim?ÂSolution
Empty tank = 40% Fill tank = 60% 60 = 300 liters 1 = 5 unit 40 = 5×40= 200 liters
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Find the range of the given data:
65, 85, 45, 20, 35, 90, 100, 60, 55
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