Which Pouch | PuzzledQuant

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New on YouTube: This HRT Quant Interview Question Has a One-Line Answer - Watch now

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⚡ Build the skills to land top-paying quant jobs. Offer ends in 25d 09h 51m 30s25 days 9 hours 51 minutes 30 seconds.

A jeweller has three identical velvet pouches: Pouch A holds 8 emeralds; Pouch B holds 8 white quartz stones; Pouch C holds 4 emeralds and 4 white quartz stones. You pick a pouch uniformly at random and, without looking, draw two stones from it without replacement. Both are emeralds. What is the probability that you picked Pouch A? Give an exact fraction.