NABTEB Mathematics 2025 Objective — Question 41
Question 41 of 60 from the National Business and Technical Examinations Board (NABTEB) Mathematics 2025 Objective paper, with the correct answer and a full explanation.
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Calculate the surface area of a sphere with radius 3.5cm. (pi=22/7)
- A. 616cm^2
- B. 308cm^2
- C. 179 2/3cm^2
Explanation
Surface area = 4 pi r^2 = 4 x 22/7 x 3.5^2 = 154cm^2.
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