This document provides information about aptitude tests for the SSB (Services Selection Board) intelligence test. It discusses what aptitude tests are and how preparation is important through practice. It outlines the topics covered in the written test, including elementary mathematics (such as percentages, ratios, time/speed/distance) and reasoning (verbal, logical, non-verbal). Verbal reasoning includes analogy, coding, and ranking. Non-verbal reasoning involves mirror images, series, and figure formation. Practice is emphasized as the key to doing well on these standardized aptitude tests.