Pick a Number
1. Six documents: two, three, four, five, eight, ten.
2. The four searches find the following sets of documents, in order: [two, three, eight], [four], [five, six, nine], and [seven, ten]. The missing document is one.
3. The solution is: o OR r OR f.
4. The solution is “th” OR e –t. You can also use “hr”, “re”, or “ee” instead of “th”.