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Let P(E) is the probability of winning the game, and P(not E) be the probability of not winning the game. P(E) + P(not E) = 1 So, P(not E) = 1 - P(E) Since P(E) = 0.3 P(not E) = 1 - 0.3 P(not E) = 0.7.
A tradesman marks his goods 32% above the cost price and allows his customers 10% reduction on their bills. What percentage profit does he make?
A bought an article at 20% less of the marked price and sold it at 12% more than the marked price. Find the profit earned by him.
A shopkeeper sells an item at a profit of 25% and dishonestly uses a weight that is 30% less than the actual weight. Find his total profit%.