NABTEB Mathematics 2024 Objective — Question 26

Question 26 of 50 from the National Business and Technical Examinations Board (NABTEB) Mathematics 2024 Objective paper, with the correct answer and a full explanation.

The length and breadth of a cuboid are 15cm and 8cm respectively. If the volume of the cuboid is 1,560cm³, calculate the total surface area.

A. A. 976cm²
B. B. 838cm²Correct
C. C. 792cm²
D. D. 746cm²

Explanation

Volume=l×b×h → h=1560/(15×8)=1560/120=13cm. Total surface area=2(lb+bh+hl)=2(15×8+8×13+13×15)=2(120+104+195)=2(419)=838cm².

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