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Waec Further Mathematics Past QuestionsQuestion 306:A particle of mass 2.5 kg is moving at a speed of 12 m/s. If a force of magnitude 10 N acts against it, find how long it takes to come to rest. A. 1.5 s B. 3.0 s C. 4.0 s D. 6.0 s Question 307:Express \(r = (12, 210°)\) in the form \(a i + b j\). A. \(6(-i + \sqrt{3} j)\) B. \(6(-\sqrt{3} i - j)\) C. \(6(i - \sqrt{3} j)\) D. \(6(i + \sqrt{3} j)\) Question 308:
Calculate the standard deviation of the distribution. A. 1.10 B. 2.36 C. 3.50 D. 7.50 Question 309:A test consists of 12 questions out of which candidates are to answer 10. If the first 6 are compulsory, in how many ways can each candidate select her questions? A. 40 B. 25 C. 15 D. 10 Question 310:In a firing contest, the probabilities that Kojo and Kwame hit the target are \(\frac{2}{5}\) and \(\frac{1}{3}\) respectively. What is the probability that none of them hit the target? A. \(\frac{1}{5}\) B. \(\frac{2}{5}\) C. \(\frac{3}{5}\) D. \(\frac{4}{5}\) |
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