You have 4 wine bottles, one of which is poisoned. You want to determine which bottle is poisoned by feeding the wines to the rats. How many minimum rats are necessary to find the poisoned bottle
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Only 1 because there is 4 bottles of wine and only 1 is poisonous so we feed a bottle of wine to rat, when it is not poisonous the rat is safe and whan we feed the poisonous bottle drink the rat is die.
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