- AStep IV
- BStep II
- CStep I
- DStep III
Step-by-Step Solution
Step I: 09 45 12 78 34 56; Step II: 12 09 45 78 34 56; Step III moves 34 to the front, giving 34 12 09 45 78 56.
Answer: D) Step III
A number-arrangement machine rearranges a line of six numbers. In each step it takes the smallest number not yet moved and shifts it to the extreme left end, the other numbers keeping their relative order; it continues until the numbers are in descending order. Input: 45 12 78 34 09 56. At which step does the line become '34 12 09 45 78 56'?
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