Volume And Surface Area – Aptitude MCQ Questions – 05 Posted on July 3, 2020July 3, 2020 by admin 0 Created on July 03, 2020 By admin Volume And Surface Area - Aptitude MCQ Questions - 05 1 / 10 1. The diameter of a spare is 8 cm. It is melted and drawn into a wire of diameter 3 mm. The length of the wire is : A.36.9 m B.37.9 m C.38.9 m D.39.9 m 2 / 10 2. The external and internal diameters of a hemispherical bowl are 10 cm and 8 cm respectively. What is the total surface area of the bowl ? A.257 cm2 B.286 cm2 C.292 cm2 D.302 cm2 3 / 10 3. A pyramid has an equilateral triangle as its base of which each side is 1 m. Its slant edge is 3 m. The whole surface are of the pyramid is equal to : A. √3+2√13/4sq.m B. √3+3√13/4sq.m3 C. √3+3√35/4sq.m3 D. √3+2√35/4sq.m 4 / 10 4. A hemisphere and a cone have equal bases. If their heights are also equal, then the ratio of their curved surface will be : A. √2:1 B. 1: √2 C. 2 : 1 D. 1 : 2 5 / 10 5. A swimming pool 9 m wide and 12 m long and 1 m deep on the shallow side and 4 m deep on the deeper side. Its volume is : A.360 m3 B.270 m3 C.420 m3 D.None of these 6 / 10 6. A closed aquarium of dimensions 30 m × 25 cm × 20 cm is made up entirely of glass plates held together with tapes. The total length of tape required to hold the plates together (ignore the overlapping tapes) is A.75 cm B.120 cm C.150 cm D.300 cm 7 / 10 7. A swimming pool 9 m wide and 12 m long is 1 m deep on the shallow side and 4 m deep on the deeper side. It volume is : A.208 m3 B.270 m3 C.360 m3 D.408 m3 8 / 10 8. An aluminium sheet 27 cm long, 8 cm broad and 1 cm thick is melted into a cube. The difference in the surface areas of the two solids would be : A.Nil B.284 cm2 C.286 cm2 D.296 cm2 9 / 10 9. The volumes of two cubes are in the ratio 8 : 27. The ratio of their surface areas is : A.2 : 3 B.4 : 9 C.12 : 9 D.None of these 10 / 10 10. The height of a right circular cylinder is 6 m. If three times the sum of the areas of its two circular faces is twice the area of the curved surface, then the radius of its base is : A.1 m B.2 m C.3 m D.4 m Your score is The average score is 0% LinkedIn Facebook Twitter 0% Restart quiz