Volume & Surface Area Questions and Answers
Practice ModeShowing 10 of 99 questions
Q31
A cylindrical vessel of radius 8 cm contains water. A solid sphere of radius 6 cm is lowered into the watet until it is completely imersed. The water level in the vessel will rise by :
Answer: Option B
Q32
The curved surface area of a cylindrical pillar is 528 sq.m and its volume is 2772 cu.m. the height of the pillar is :
Answer: Option C
Q33
The number of solid spheres, ech of diameter 3 cm that could be moulded to form a solid cylinder of height 54 cm and diameter 4 cm, is :
Answer: Option D
Q34
The rdius of a wire is decreased to one-third and its volume remains thesame. the new length is how many times the original length ?
Answer: Option D
Q35
Two cylindrical vessels with radii 15 cm and 10 cm and heights 35 cm and 15 cm respectively are filled with water. if this water is poured into a cylindrical vessel 15 cm in height, then the radius of the vessel is :
Answer: Option D
Q36
If 1 cubic cm of cast iron weighs 21 gms, then the weight of a cast iron pipe of length 1 metre with a bore of 3 cm and in which the thickness of the metal is 1 cm, is :
Answer: Option D
Q37
If the radius of the base of a right circular cylinder is halved, keeping the height same, what is the ratio of the volume of thereduced cylinder to that of th original one ?
Answer: Option A
Q38
In What ratio are the voumes of a cylinder, a cone and a sphere, if each has the same diameter and the same height ?
Answer: Option C
Q39
The radius of a sphere is R and the radius of the base as well as the height of a cylinder is R. The ratio of the volume of the sphere to that of the cylinder is :
Answer: Option A
Q40
Two cylindrical jars have their diameters in the ratio of 3 : 1 and their heights in the ratio of 1 : 3. the volumes are in the ratio of :
Answer: Option B