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Jamb Mathematics Past QuestionsJamb Past Questions and Answers on NUMBER AND NUMERATIONQuestion 496:Simplify \(\frac{5+\sqrt{7}}{3+\sqrt{7}}\) A. 17-√7 B. 4-√7 C. 15+√7 D. 7-√7 Question 497:If x = {n2+1:n is a positive integer and 1 \(\leq\) n \(\leq\) 5}, Y = {5n:n is a positive integer and 1 \(\leq\) n \(\leq\) 5}, find x \(\cap\) y. A. {5,10} B. {5, 10, 15} C. {2, 5, 10} D. {5, 10, 15, 20} Question 498:I.S∩T∩W=S II. S ∪ T ∪ W = W III. T ∩ W = S If S⊂‚T⊂‚W, which of the above statements are true? A. I and II B. I and III C. II and III D. I, II and III Question 499:Subtract 16418\(_9\) from 18630\(_9\). A. 1121\(_9\) B. 2112\(_9\) C. 2113\(_9\) D. 2211\(_9\) Question 500:Evaluate \(\left(\frac{81}{16}\right)^{\frac{-1}{4}}\times 2^{-1}\) A. 1/3 B. 3 C. 6 D. 1/6 |
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