JAMB Mathematics 2021 Objective — Question 27
Question 27 of 40 from the Joint Admissions and Matriculation Board (JAMB) Mathematics 2021 Objective paper, with the correct answer and a full explanation.
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27. Arrange 2/3, 11/13, 5/6, 1/2, 3/5 in ascending order (a) 11/13, 5/6, 2/3, 1/2, 3/5 (b) 5/6, 2/3, 3/5, 11/13, 1/2 (c) 1/2, 3/5, 2/3, 5/6, 11/13 (d) 3/5, 5/6, 1/2, 2/3, 11/13
- A. 11/13, 5/6, 2/3, 1/2, 3/5
- B. 5/6, 2/3, 3/5, 11/13, 1/2
- C. 1/2, 3/5, 2/3, 5/6, 11/13Correct
- D. 3/5, 5/6, 1/2, 2/3, 11/13
Explanation
Converting to decimals: 2/3≈0.667, 11/13≈0.846, 5/6≈0.833, 1/2=0.5, 3/5=0.6. In ascending order: 0.5, 0.6, 0.667, 0.833, 0.846, i.e. 1/2, 3/5, 2/3, 5/6, 11/13.
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