A milkman promises to sell the milk at cost price but he mixed some water with milk and also uses a false weight of 800ml instead of 1 litre. If overall he earns 40% profit, then percent water he mixed in 1 litre of mixture.
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A milkman promises to sell the milk at cost price but he mixed some water with milk and also uses a false weight of 800ml instead of 1 litre. If overall he earns 40% profit, then percent water he mixed in 1 litre of mixture.
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