1. In a row of trees, one tree is hidden behind another. The 12th tree from the left end is in line with the 34th tree from the right end. There are 63 trees in the row. Which tree is hidden?

2. In a certain code, QUESTION is written as SWGUVKQP. How is ANSWER written in that code?

3. All A's are B's. No B's are C's. Some C's are D's. Which of the following must be true?

4. If all roses are flowers, and some flowers fade quickly, which of the following statements must be true?

5. In a line of people, A is 4th from the left and B is 6th from the right. If there are 3 people between A and B, how many people are there in the line?

6. All the trees in the park are either oak or maple. Some of the trees are diseased. All the oak trees are healthy. What can be concluded from this information?

7. In a certain code, TERMINAL is written as UFSNJOBM. How is COMPUTER written in that code?

8. All roses are flowers. Some flowers are red. Which of the following must be true?

9. In a certain code language, if A = 1, B = 2, C = 3, and so on, what is the sum of the code numbers for the word "INDUCTIVE"?

10. A farmer notices that his cows produce more milk on sunny days than on cloudy days. Based on this observation, what can the farmer reasonably conclude?