MATHEMATICSWe ProduceToppers
Class IX MM:25 Date: 03rd Jan 2015
MATHEMATICSWe ProduceToppers
1. The volume of a sphere is 38808 cm3. Find its radius and
surface area.(3 marks)
2. How many bricks will be required to construct a wall 8m long,
6m high and 22.5cm thick if each bricks measure 22.5cm X 11.25cm X
6cm ? (3 marks)
3. The total surface area of cylinder of radius
4.
5. 7cm each is 880cm2. Find the height and the volume of the
cylinder. (3 marks)
6. The L.S.A of a cube is 324cm2. Find its volume and Total
surface area. (3 marks)
7. How many meters of cloth 5m wide will be required to made a
conical tent, where r=7m and h=24m ?(3 marks)
8. Water flows at the rate of 10m/min through a cylindrical pipe
5mm in diameter. How long would it take to fill a conical vessel
whose diameter at the surface 40cm and depth 24cm. (5 marks)
9. The internal and external diameters of a hollow
hemi-spherical vessel are 20cm and 28cm respectively. Find the cost
of painting the vessel all over at 14 paisa per sqcm. (5 marks)
Kant Classes-A unit of KDT Services Pvt. Ltd., Tilak Nagar,
Phase-2, Ambedkar Path, Patna-14, Ph-0612- 3205021,
2590746www.kantclasses.come-mail: [email protected] Kant
Classes. All rights reserved1Gyan Kendra, Goalghar, Port Blair,
Andaman& Nicobar Islands 744103Contact : 03192-230683,
9434292029; e-mail id : [email protected]; web:
www.gyankendra.in
Kant Classes-A unit of KDT Services Pvt. Ltd., Tilak Nagar,
Phase-2, Ambedkar Path, Patna-14, Ph-0612- 3205021,
2590746www.kantclasses.come-mail: [email protected] Kant
Classes. All rights reserved6Gyan Kendra, Goalghar, Port Blair,
Andaman& Nicobar Islands 744103Contact : 03192-230683,
9434292029; e-mail id : [email protected]; web:
www.gyankendra.in
