The dimensions of a cuboid are 7cm, 11 cm and 13 cm. The total surface area is · ABC26GN4784

Subject: General Aptitude · Chapter: Volume and Surface Area · Exam: Teachers‘ Exam 2011

The dimensions of a cuboid are 7cm, 11 cm and 13 cm. The total surface area is

(a)$311 \mathrm{cm}^{2}$

(b)$622 \mathrm{cm}^{2}$

(c)$1001 \mathrm{cm}^{2}$

(d)$2002 \mathrm{cm}^{2}$

Answer

Answer (as printed): B

Explanation

Surface area $=[2(7 \times 11+11 \times 13+7 \times 13)] \mathrm{cm}^{2}$ $$=(2 \times 311) \mathrm{cm}^{2}=622 \mathrm{cm}^{2} .$$

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