Question Paper
Class / Subject: Class 9 (CBSE) · Mathematics
Chapter: Chapter 11 — Chapter 11: Surface Areas and Volumes
Time Allowed: 15 minutes
Max Marks: 6
1. The curved surface area of a cylinder is: [1]
(A) 2πrh
(B) πr²h
(C) 6 x side²
(D) πrl
2. Find the total surface area of a cube with side 5cm: [1]
(A) 150 cm²
(B) 125 cm²
(C) 25 cm²
(D) 30 cm²
3. The curved surface area of a cone is calculated as: [1]
(A) πrl
(B) 2πrh
(C) πr²h
(D) 4πr²
4. The volume of a sphere is: [1]
(A) (4/3)πr³
(B) πr³
(C) (1/3)πr³
(D) 4πr²
5. A cone's volume, compared to a same-sized cylinder, is: [1]
(A) exactly one-third
(B) exactly one-half
(C) exactly equal
(D) exactly double
6. Find the volume of a cylinder with radius 7cm and height 10cm (use π=22/7): [1]
(A) 1540 cm³
(B) 770 cm³
(C) 220 cm³
(D) 440 cm³