For a cone, the radius is 6cm and height is 12 cm. What is the volume of the cone?1). 144π2). 324π3). 564π4). 678π
Given that r = 6 cm h = 12 cm
Volume of cone = $(\frac{1}{3}\pi {r^2}h)$
$(= \frac{1}{3}\pi {6^2}12 = 144\pi)$ cm3
Join Telegram Group
1. The volume of a cylindrical tube is 847 m3 and its curved surface area is 242 m2. Find the ratio of height to its radius?
2. A paralleloplped whose sides are in ratio 2:4:8 have the same volume as a cube. The ratio of their surface area is :
3. ABCD is a square inscribed in a circle of radius r. Then the total area (in square units) of the portions of the circle lying outside sthe square is
4. The perimeter of the floor of a room is 18 m. What is the area of the walls of the room, if the height of the room is 3m
5. The ratio of the areas of the circumcircle and the incircle of an equilateral triangle is
6. The volume of a cylinder is 500π and the radius is 5 cm. The height of the cylinder is equal to the diagonal of a square. Find the perimeter of the square.
7. If the length and breadth of a cuboid is 4 and 3 times its height respectively, then the diagonal of the cuboid is how many times the height of the cuboid?
8. What is the volume of a cube (in cubic cm ) whose diagonal measures $4\sqrt{3}$cm
9. The total surface area of a cube is 2904 cm2. What is the volume of this cube?
10. The length of a rectangular hall is 5m more than its breadth. The area of the hall is 750 sq.m.. The length of the hall is :
History
Geography
Political Science
Chemistry
Biology
Physics
Enviornmental Science
Economics
Books & Authors
Computer Basics
Financial Awareness
International Organisations
Famous Personalities
Spoting Errors
Sentence Improvement
Fill In the Blanks
Antonyms
Synonyms
Spellings
Idioms and Phrases
Voice (Active/ Passive)
Naration (Direct/ Indirect)
Reading Comprehension
Cloze Test
Mensuration
Simplification
Profit & Loss
Trigonometry
Percentage
Ratio & Proportion
Time & Work
Average
Simple & Compound Interest
Number System
Discount
Time & Distance
Surds and Indices
Mixture & Alligation
LCM & HCF
Co-Ordinate Geometry
Pipe & Cistern
Probability
Boat & Streams
Problem on Age
Permutation & Combination
Problem on Trains