A. 2h
B. 4h
C. 2h/3
D. 3h/2
Related Mcqs:
- 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 - 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 - 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 - The radius of the base of cone is 3 cm and height is 4 cm. Find the volume of the cone?
A. 12 π cm3
B. 6 π cm3
C. 8 π cm3
D. 10 π cm3 - 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 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 slant height of a cone is 12 cm and radius of the base is 4cm, find the curved surface of the cone.
A. 74 π cm2
B. 36 π cm2
C. 48 π cm2
D. 24 π cm2 - What is the total surface area of a right circular cone of height 14 cm and base radius 7 cm?
A. 344.35 cm2
B. 344.35 cm2
C. 344.35 cm2
D. None of these - 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
