An odd subset with two small elements
How many subsets of contain exactly two elements from and consist of only odd numbers?
Show hints (2)+
- "Only odd" means eligible elements are . The odd members of are just .
- Exactly two from forces ; the rest is any subset of ().
Answer
Reveal answer →Final answer
8
Create a free account to see the full worked solution and track your progress.
Interview format: Market Maker, Hedge Fund Quant