MCQ PracticeThe cost of 8 fans and 14 ovens is Rs. 36520. What is the cost of 12 fans and 21 ovens ?Subject: MathematicsTopic: Chain RuleARs. 56800BRs. 54780CRs. 57950DCannot be determinedCorrect 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