MCQ PracticeIf 450 men can finish construction of an apartment in 20 days, then how many men are needed to complete the same work in 30 days?Subject: MathematicsTopic: Time And WorkA150B300C400D250Correct Answer: BPractice 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