EASY
9th CBSE
IMPORTANT
Earn 100

A right circular 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

50% studentsanswered this correctly

Important Questions on Volume and Surface Area of Solids

MEDIUM
9th CBSE
IMPORTANT
Secondary School Mathematics FOR CLASS 9>Chapter 15 - Volume and Surface Area of Solids>MULTIPLE-CHOICE QUESTIONS (MCQ)>Q 49
The radii of the bases of a cylinder and a cone are in the ratio 3: 4 and their heights are in the ratio 2: 3 . Then, their volumes are in the ratio
MEDIUM
9th CBSE
IMPORTANT
Secondary School Mathematics FOR CLASS 9>Chapter 15 - Volume and Surface Area of Solids>MULTIPLE-CHOICE QUESTIONS (MCQ)>Q 50
If the height and the radius of a cone are doubled, the volume of the cone becomes
EASY
9th CBSE
IMPORTANT
Secondary School Mathematics FOR CLASS 9>Chapter 15 - Volume and Surface Area of Solids>MULTIPLE-CHOICE QUESTIONS (MCQ)>Q 51
A solid metallic cylinder of base radius 3cm and height 5cm is melted to make n solid cones of height 1cm and base radius 1mm. The value of n is
MEDIUM
9th CBSE
IMPORTANT
Secondary School Mathematics FOR CLASS 9>Chapter 15 - Volume and Surface Area of Solids>MULTIPLE-CHOICE QUESTIONS (MCQ)>Q 52
A conical tent is to accommodate 11 persons such that each person occupies 4 m2 of space on the ground. They have 220 m3 of air to breathe. The height of the cone is
EASY
9th CBSE
IMPORTANT
Secondary School Mathematics FOR CLASS 9>Chapter 15 - Volume and Surface Area of Solids>MULTIPLE-CHOICE QUESTIONS (MCQ)>Q 53
The volume of a sphere of radius 2r is
EASY
9th CBSE
IMPORTANT
Secondary School Mathematics FOR CLASS 9>Chapter 15 - Volume and Surface Area of Solids>MULTIPLE-CHOICE QUESTIONS (MCQ)>Q 54
The volume of a sphere of radius 10.5cm is
EASY
9th CBSE
IMPORTANT
Secondary School Mathematics FOR CLASS 9>Chapter 15 - Volume and Surface Area of Solids>MULTIPLE-CHOICE QUESTIONS (MCQ)>Q 55
The surface area (in cm2) of a sphere of radius 21cm is (Take π=227)
MEDIUM
9th CBSE
IMPORTANT
Secondary School Mathematics FOR CLASS 9>Chapter 15 - Volume and Surface Area of Solids>MULTIPLE-CHOICE QUESTIONS (MCQ)>Q 56
The surface area of a sphere is 1386cm2. Its volume is [Use π=227]