"A mango fell in the tree." The usage of the preposition is incorrect in this sentence. Find the correct preposition.

Words that usually precede nouns or pronouns and express their relation with other parts of the sentence are known as prepositions. Prepositions can be of several types, depending upon their usage. "A mango fell in the tree" is grammatically incorrect. Instead of 'in', the preposition 'from' will be used. Thus, "A mango fell from the tree," is the grammatically correct sentence.