- A1 2 6 5 9
- B1 2 6 9 5
- C1 2 5 6 9
- D1 6 2 9 5
Step-by-Step Solution
After 1 is fixed, the smallest of the rest (2) moves to the second position while 6, 9, 5 keep their order: 1 2 6 9 5.
Answer: B) 1 2 6 9 5
A number arrangement machine rearranges a line of numbers by a fixed rule. In each step it moves the smallest number that is not yet placed to the leftmost unfixed position; the numbers already placed at the left stay fixed and the rest keep their relative order. It stops when the numbers are in ascending order. Input: 6 2 9 1 5. Step I: 1 6 2 9 5. What is Step II?
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