MCQ PracticeA boy has nine trousers and 12 shirts. In how many different ways can he select a trouser and a shirt?Subject: MathematicsTopic: Permutations And CombinationsA21B12C9D108Correct Answer: DPractice QuizBack to MCQsRelated MCQsCurrent flows in a circuit whenEighttenths coulomb passes a point in 4 s. The current in amperes isThe unit of electrical charge is the