Coins on Chessboard | PuzzledQuant

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New on YouTube: How Jane Street made $5B in India (and what SEBI says it did) - Watch now

Get quant-ready in 2026

⚡ Build the skills to land top-paying quant jobs. Offer ends in 19d 08h 36m 43s19 days 8 hours 36 minutes 43 seconds.

Get quant-ready in 2026

⚡ Build the skills to land top-paying quant jobs. Offer ends in --d --h --m --s-- days -- hours -- minutes -- seconds.

Get quant-ready in 2026

⚡ Build the skills to land top-paying quant jobs. Offer ends in 19d 08h 36m 43s19 days 8 hours 36 minutes 43 seconds.

You are given a chessboard with 8x8 dimensions. Your friend Tim asks you how many ways there are to place coins on the chessboard such that there are even number of coins in each row and in each column. Can you find it out?
Note: You can place only one coin in each square box.