WAEC Mathematics 2023 Objective — Question 19
Question 19 of 50 from the West African Examinations Council (WAEC) Mathematics 2023 Objective paper, with the correct answer and a full explanation.
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Arrange the following numbers in ascending order of magnitude: 110₂, 31₈, 42₅.
- A. 110₂, 31₈, 42₅
- B. 110₂, 42₅, 31₈Correct
- C. 31₈, 42₅, 110₂
- D. 42₅, 31₈, 110₂
Explanation
Converting to base 10: 110₂=6, 31₈=25, 42₅=22. In ascending order: 110₂(6) < 42₅(22) < 31₈(25).
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