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Aptitude · Q28

Mensuration 3d

Competitive Exams · Aptitude · question 28

Q28

The base of a solid right prism of height 10 cm is a square and its volume is 160 m3. What is the total surface area of the prism (in cm2)?

A.
200
B.
176
C.
192
Answer
D.
180

Answer: Option C

Solution

Answer: Option C
Solution:
10 cm ⇒ height
Volume of Prism = Base Area × height
160 = a2 × 10
a = 4
Total surface area = 2Base Area + Base per meter × length
= 2 × 16 + 16 × 10
= 32 + 160
= 192