MCQ Practice15 men can build a 500m long wall in 30 days. In how many days can 30 men build a 1.2 km long wall?Subject: MathematicsTopic: Basic MathsA48 daysB24 daysC40 daysD36 daysCorrect 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