Question
A cylindrical drum has internal radius 2 m and height 3.5
m. Find its volume. Take π = 22/7.
Solution
Volume = πr²h = (22/7) × 2² × 3.5 = (22/7) × 4 × 3.5 3.5 = 7/2 → Volume = (22/7) × 4 × (7/2) = 22 × 2 = 44 m³
More Mensuration Questions
- The volume and height of a cylinder are 2662 cm3 and 7 cm. Find the radius of the cylinder.
- Suresh started his journey form P to Q by his bike at the speed of 40 km/h and then, the same distance he travelled on his foot at the speed of 10 km/h fro...
- A horse is tethered to a peg with a 28 metre long repeat the corner of a 45 metre long and 25 metre wide rectangular grassfield. What area of field does th...
- The lateral surface area of a cube is 256 cm2 . The length of a cuboid is 50% more than the side of the cube. The breadth of the cuboid is 5 cm less than i...
- Length of a rectangle is equal to the side of a square. If area of the square and rectangle is 900 m2 and 270 m2, respectively then find the perimeter of t...
- Find out the volume of a tetrahedron whose side is 6√2 cm³?
- In a two cylinders the ratio of the radius of the two cylinders is 2:3 and their heights are in the ratio 5:3, then what will be the ratio of their volumes...
- A square is converted into a rectangle by increasing its length by 50 % and decreasing its width by 20%. Which of the following statements is true?
- The volume of a cube is 512 cm³. If the cost of painting the cube is Rs. 6 per cm², then find the cost of painting five faces of the cube.
- A hemispherical bowl made of iron has an inner diameter of 84 cm. Find the cost of tin plating it on the inside at the rate of Rs.21 per 100cm² take π=22/7