Difficulty: Easy
Correct Answer: two:binary
Explanation:
Concept/Approach
Decimal is the base-10 number system (built on ten). We want “number/base : the numeral system based on it.”
Option analysis
two:binary — binary is the base-2 system. Perfect parallel.seven:septet; four:quartet — these are “number : group of N people/items,” not numeral systems.five:quince — “quince” is a fruit; incorrect term (perhaps intended “quinary”).
Final Answer
two:binary
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