- AThree
- BFour
- CFive
- DTwo
Step-by-Step Solution
Continuing: Step III gives 58 49 31 16 23 and Step IV gives 58 49 31 23 16, which is fully descending. Four steps are needed.
Answer: B) Four
A number-arranging machine moves the largest remaining number to the front at each step until the numbers are in descending order. Example — Input: 16 49 23 58 31; Step I: 58 16 49 23 31; Step II: 58 49 16 23 31. How many steps in all are needed to complete the arrangement?
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