Volume And Surface Area – Aptitude MCQ Questions – 08 Posted on July 3, 2020July 3, 2020 by admin 0 Created on July 03, 2020 By admin Volume And Surface Area - Aptitude MCQ Questions - 08 1 / 10 1. A hollow spherical metallic ball has an external diameter 6 cm and is 1/2 cm thick. The volume of metal used in the ball is : A. 37.2/3 cm3 B. 40.2/3 cm C. 41.2/3 cm D. 47.2/3 cm3 2 / 10 2. If a hollow sphere of internal and external diameters 4 cm and 8 cm respectively is melted into a cylinder of base diameter 8 cm, then the height of the cylinder is : A.4 cm B. 13/3 cm C. 14/3 cm D.5 cm 3 / 10 3. The ratio of the volume of a hemisphere and a cylinder circumscribing this hemisphere and having a common base is : A.1 : 2 B.2 : 3 C.3 : 4 D.4 : 5 4 / 10 4. The volume of a right circular cone which is obtained from a wooden cube of edge 4.2 dm wasting minimum amount of wood is : A.19404 dm3 B.194.04 dm3 C.19.404 dm3 D.1940.4 dm3 5 / 10 5. If the diameter of a sphere is 6 m, its hemisphere will have a volume of : A. 18π18π m3 B. 36π36π m3 C. 72π72π m3 D.None of these 6 / 10 6. The length of the longest rod that can be placed in a room of dimensions 10 m × 10 m × 5 m is : A.15√3 m B.15 m C.10√2 m D.5√3 m 7 / 10 7. The sum of the radius and the height of a cylinder is 19 m. The total surface area of the cylinder is 1672 m2, what is the volume of the cylinder ? A.3080 m3 B.2940 m3 C.3220 m3 D.2660 m3 E.2800 m3 8 / 10 8. Given that 1 cu. cm of marble weights 25 gms, the weight of a marble block 28 cm in width and 5 cm thick is 112 kg. The length of the block is : A.26.5 cm B.32 cm C.36 cm D.37.5 cm 9 / 10 9. An open box is made by cutting the congruent squares from the corners of a rectangular sheet of cardboard of dimension 20 cm × 15 cm. If the side of each square is 2 cm, the total outer surface area of the box is : A.148 cm2 B.284 cm2 C.316 cm2 D.460 cm2 10 / 10 10. V1, V2, V3 and V4 are the volumes of four cubes of side lengths x cm, 2x cm, 3x cm and 4 cm respectively. Some statements regarding these volumes are given below :(i) V1 + V2 + 2V3 < V4(ii) V1 + 4V2 + V3 < V4(iii) 2(V1 + V3) + V2 = V4Which of these statements area correct ? A.1 and 2 B.2 and 3 C.1 and 3 D.1, 2 and 3 Your score is The average score is 0% LinkedIn Facebook Twitter 0% Restart quiz