“When in doubt, use your nose. That’s how you’ll know pineapples, peaches, and other fruits are ripe. For many summer fruits, smell is a good indicator of their ripeness. For peaches, pineapples, cantaloupes, and mangoes, their stem ends should smell sweet like how they should taste.”
Read More: http://lifehacker.com/give-most-fruits-the-sniff-test-to-see-if-theyre-ripe-1154475487