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Answer these questions based on the following information. There are 250 integers a1, a2,… a250, not all of them necessarily different. Let the greatest integer of these 250 integers be referred to as Max, and the smallest integer be referred to as Min. The integers a1 through a124 form sequence A and the rest form sequence B. Each member of A is less than or equal to each member of B.Elements of A are in ascending order, and those of B are in descending order. a124 and a125 are interchanged. Then which of the following statements is true?(a) A continues to be in ascending order. (b) B continues to be in descending order. (c) A continues to be in ascending order and B in descending order. (d) None of the above |
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Answer» Correct option (a) A continues to be in ascending order. Explanation: If elements of A are in ascending order a124 would be the largest value in A. Also a125 would be the largest value in B. On interchanging a124 and a125, A continues to be in ascending order, but B would lose its descending order arrangement since a124 would be the least value in B. |
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