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Look at this series: VI, 10, V, 11, __, 12, III, ... What number should fill the blank? |
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Answer: Option B Explanation: This is an alternating addition and subtraction series. Roman numbers alternate with Arabic numbers. In the Roman numeral pattern, each number decreases by 1. In the Arabic numeral pattern, each number increases by 1. |
Find the number that fits somewhere into the middle of the series. Some of the items involve both numbers and letters
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