In a class of students, some are studying Mathematics, some are studying Science, and some are studying both. If 10 students study Mathematics, 8 students study Science, and 4 students study both, how many students study only Mathematics?
In a class, there are three types of students: athletes, artists, and scholars. If John is an athlete, Sarah is an artist, and Mike is a scholar, which of the following statements is true?
Four friends, A, B, C, and D, are sitting in a row. A is to the left of B but to the right of C. D is not next to C. What is the correct order from left to right?