Question
Sara has 150 kg of oranges (rotten and fresh). She sold
50% of the total oranges such that out of the remaining oranges, 30% are rotten. Find the percentage of fresh oranges left out of the initial quantity of oranges with her.Solution
ATQ, Quantity of oranges sold by Sara = 150×0.5 = 75 kg Quantity of oranges left = 150−75 = 75 kg Remaining quantity of rotten oranges = 75×0.3 = 22.5 kg So, quantity of fresh oranges left = 75−22.5 = 52.5 kg Required percentage = ( 52.5/150)×100 = 35%
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