Brain teaser questions with answers for 7th to 12th grade students (Puzzles) There are different types of puzzle questions including word senses, logical tests, math tests for 7th -12th grade students to increase their analytical abilities. There are 40 separate questions with answers, pictures and explanations (when necessary). These questions can be asked at the end of class for 10-20 minutes. Some questions are easy and some are hard to analyze. Both PowerPoint version and PDF version are given for the convenience of teachers. These questions will help the students to be proactive. The different puzzles require a mix of number sense, logic, critical reasoning, and outside of the box thinking. Instructions: All the questions will come first and then there will be the answers of previous questions. At first show the question to the students and give 2-5 minutes per question for answering. These questions can be solved by individually or group work. You can use 2 questions per week in the class or any format. Any suggestions will be accepted cordially and will be included in future versions.