MEDIUM
SSC CGL Tier 1
IMPORTANT
Earn 100

A hollow garden roller 35 cm wide with a girth of 440 cm is made of iron 4 cm thick. The volume of iron is

50% studentsanswered this correctly

Important Questions on Volume and Surface Area

MEDIUM
SSC CGL Tier 1
IMPORTANT
The radius of a cylinder is 80 cm and its height is 20 cm. What is the ratio of its total surface area and lateral surface area?
EASY
SSC CGL Tier 1
IMPORTANT
If the diameter of the base of a closed right circular cylinder be equal to its height h, then its whole surface area is
HARD
SSC CGL Tier 1
IMPORTANT
A well with 14 m inside diameter is dug 8 m deep. Earth taken out of it has been evenly spread all around it to a width of 21 m to form an embankment. The height of the embankment is :
MEDIUM
SSC CGL Tier 1
IMPORTANT
The diameter of a well is 7 m and its depth is 22.5 m. The cost of plastering its inner surface at  3 per m2 is :
MEDIUM
SSC CGL Tier 1
IMPORTANT
What part of a ditch 48 m long, 16.5 m wide and 4 m deep can be filled from the earth taken out of cylindrical mine of diameter 4 m and length 56 m ?
MEDIUM
SSC CGL Tier 1
IMPORTANT
The size of a rectangular paper is (100 cm×44 cm). It is rolled lengthwise to form a cylinder. The volume of cylinder is:
MEDIUM
SSC CGL Tier 1
IMPORTANT
A right circular cylinder and a sphere having same radius are equal in volume. What is the ratio between the diameter of the sphere and height of the cylinder?
MEDIUM
SSC CGL Tier 1
IMPORTANT
The height of cylinder is increased by 15% and the radius of its base is decreased by 10%. Then, what percent change is there in its curved surface area?