MathematicsVariationWAEC
T varies directly as the square root of L, and T = 6 when L = 9. Find T when L = 25.
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Answer: B. 10
T = k√L with k = 6/3 = 2, so T = 2 × 5 = 10.
An AdmitMe practice question, written for the WAEC syllabus. Not an official past question.