MCQ PracticeIf (x 3 - y 3 ) : (x 2 + xy + y 2 ) = 5 : 1 and (x 2 - y 2 ) : (x - y) = 7 : 1, then the ratio 2x : 3y equals = ?Subject: MathematicsTopic: Ratio And ProportionA3 : 2B2 : 3C4 : 3D4 : 1Correct 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