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A word-and-number arrangement machine rearranges any input line in steps. In each step the word that comes last in alphabetical order among the words not already shifted in an earlier step is taken out and placed at the extreme left end of the line. All the remaining elements keep their relative order, and the machine stops when no further shift is possible.
Input: 46 83 zebra wing 25 till 71 oak.
In Step 2 of the above arrangement, which element is third from the right end?

Competition practiceInput-Output
  • A46
  • Btill
  • C83
  • Dwing

Step-by-Step Solution

Step 1: zebra 46 83 wing 25 till 71 oak. Step 2: wing zebra 46 83 25 till 71 oak. Counting from the right end of Step 2, the third element is "till".
Answer: B) till

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