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Gopi buys a fish from a shop for his aqu...

Gopi buys a fish from a shop for his aquarium. The shopkeeper takes out one fish at random from a tank containing 5 male fish and 8 female fish. What is the probability that the fish taken out is a male fish?

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  • A box contains 5 apples and 7 oranges and another box contains 4 apples and 8 oranges. One fruit is picked out from each box. Then the probability that the fruits are both apples or both oranges is -

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