305 views
You have 10 bags of coins; one bag has counterfeit coins weighing 9 g each; real coins weigh 10 g.
With one weighing, how do you find the counterfeit bag?
Answer
Take 1 coin from bag1, 2 from bag2, …; total deficit shows bag number
Explanation
Take 1 coin from bag1, 2 from bag2, …, 10 from bag10; weigh once. Deficit in grams = bag number.
Want a deeper explanation? Ask our AI 👇
Similar Problems Explained
Short, helpful videos that explain similar problems
Skills You Achive
Strategy design
base-10 encoding
Comments (0)
Please to leave a comment.