A. 30 π cc
B. 45 π cc
C. 150 π cc
D. 180 π cc
r = 3 h = 5
π * 3 * 3 * 5 = 45 π cc
Related Mcqs:
- A solid consists of a circular cylinder with an exact fitting right circular cone placed on the top. The height of the cone is h. If the total volume of the solid is three times the volume of the cone then the height of the cylinder is________?
A. 2h
B. 4h
C. 2h/3
D. 3h/2 - Two cylinders are of the same height. Their radii are in the ratio 1: 3. If the volume of the first cylinder is 40 cc. Find the volume of the second cylinder?
A. 360 cc
B. 60 cc
C. 300 cc
D. 36 cc - A right cylinder and a right circular cone have the same radius and the same volume. The ratio of the height of the cylinder to that of the cone is_________?
A. 3: 5
B. 2: 5
C. 3: 1
D. 1: 3 - The area of a base of a cone is 30 cm2. If the height of the cone is 6cm, find its volume?
A. 120 cm3
B. 40 cm3
C. 50 cm3
D. 60 cm3 - The curved surface area of a cylindrical pillar is 264 m2 and its volume is 924 m3. Find the ratio of its diameter to its height.
A. 3 : 7
B. 7 : 3
C. 6 : 7
D. 7 : 6 - The number of solid spheres each of diameter 6 cm, that could be moulded to form a solid metal cylinder of height 45 cm and diameter 4 cm is?
A. 3
B. 4
C. 5
D. 6 - The radius of a cylindrical vessel is 7cm and height is 3cm. Find the whole surface of the cylinder?
A. 308 sq cm
B. 220 sq cm
C. 440 sq cm
D. 132 sq cm - A cylinder and a cone have a same height and same radius of the base. The ratio between the volumes of the cylinder and cone is__________?
A. 1:3
B. 3:1
C. 1:2
D. 2:1 - The radius of a circular cylinder is the same as that of a sphere. Their volumes are equal. The height of the cylinder is________?
A. 4/3 times its radius
B. 2/3 times its radius
C. Equal to it’s radius
D. Equal to it’s diameter - The average height of 35 boys in a class was calculated as 180cm. It has later found that the height of one of the boys in the class was wrongly written as 166 cm whereas his actual height was 106 cm. Find the actual average height of the boys in the class (Round off your answer to two decimal places)?
A. 179.29 cm
B. 178.29 cm
C. 179.38 cm
D. 178.39 cm