- AFour
- BThree
- CSix
- DFive
Step-by-Step Solution
The four words ant, bee, cat, dog are placed one per step, so after Step IV (ant bee cat dog 46 73 28 15) the arrangement is complete — four steps.
Answer: A) Four
A word-arrangement machine, given an input line, rearranges it in steps. In each step the word that comes first in alphabetical order among the remaining words is moved to the left end, the rest shifting right in the same order. Input: 46 cat 73 ant 28 dog 15 bee. How many steps are needed to complete the arrangement (all words placed alphabetically on the left)?
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