How can one speed up the ripening process of a hard mango after purchase?

Answer

Placing it in a paper bag at room temperature, possibly with an apple or banana.

To encourage faster ripening of a hard mango, it should be placed in a paper bag at room temperature; adding an apple or banana can speed this process up due to the ethylene gas they release.

How can one speed up the ripening process of a hard mango after purchase?
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