MathematicsVariationWAEC
w varies jointly as u and the square of v. If w = 36 when u = 2 and v = 3, find w when u = 5 and v = 2.
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Answer: D. 40
k = 36/18 = 2; w = 2 × 5 × 4.
An AdmitMe practice question, written for the WAEC syllabus. Not an official past question.