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An arrangement machine rearranges an input line of numbers step by step by one fixed rule. Example — Input: 52 31 74 18 46; Step I: 18 52 31 74 46; Step II: 18 31 52 74 46. Following the same rule, for the input '63 29 41 15', what will Step II be?

Competition practiceInput-Output
  • A15 63 29 41
  • B15 29 41 63
  • C29 15 63 41
  • D15 29 63 41

Step-by-Step Solution

Each step brings the next smallest number to the front of the still-unsorted part. Step I: 15 63 29 41; Step II places 29 next: 15 29 63 41.
Answer: D) 15 29 63 41

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