LAGOS STATE GOVERNMENT FIRST TERM EXAMINATION CLASS: SSS 1 SUBJECT: MATHEMATICS TIME: 2 HOURS SECTION A: OBJECTIVE QUESTIONS INSTRUCTION: Read the questions carefully and choose the correct answer from the options lettered (a – d). Convert 1246 base 7 to base 10. (a) 475 (b) 504 (c) 574 (d) 580 Add the following expressions: (-16x