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Jamb Mathematics Past QuestionsJamb Past Questions and Answers on NUMBER AND NUMERATIONQuestion 211:A man bought wrist watch for N150 but was only able to sell it for N120. Find the loss per cent on the transaction A. 25% B. 11% C. 20% D. 80% E. 30% Question 212:Given that p:q = \(\frac{1}{3}\):\(\frac{1}{2}\) and q:r = \(\frac{2}{5}\), find p:r A. 4:105 B. 7:15 C. 20:21 D. 2:35 E. 3:20 Question 213:The currency used in a country is called 'Matimalik'(M) and is of base seven. A lady in that country bought 4 bags of rice at M56 per bag and and 3 tins of milk at M4 per tin. What is the total cost of the item she bought? A. M2467 B. M2427 C. M2367 D. M3417 E. M3387 Question 214:Express 37.05 x 0.0042 in standard form A. 15.561 x 102 B. 1.5561 x 10-4 C. 1.556 x 10-1 D. 1.5561 x 101 E. 1.55 x 101 Question 215:Express 130 kilometers per second in meters per hour A. 7.8 x 10-5 B. 4.68 x 106 C. 7,800,000 D. 4.68 x 108 E. 7.80 x 105 |
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