JAMB Mathematics 2013 Objective — Question 27
Question 27 of 50 from the Joint Admissions and Matriculation Board (JAMB) Mathematics 2013 Objective paper, with the correct answer and a full explanation.
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A square tile has side 30cm. How many of these tiles will cover a rectangular floor of length 7.2m and width 4.2m?
- A. A. 720
- B. B. 336Correct
- C. C. 420
- D. D. 576
Explanation
Area of floor=7.2×4.2=30.24m²; tile area=0.09m²; 30.24/0.09=336.
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