The number of base units in SI are: A. 3 B. 6 C. 7 D. 9 View AnswerC. 7 Related Posts: Biology Class 9 Chapter 9 MCQs With 4 TestsComputer Science Class 9 Chapter 5 MCQs With 3 TestsComputer Science Class 9 Chapter 2 MCQs With 3 TestsBiology Class 9 Chapter 7 MCQs With 3 Tests
