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Volume of cylinder = πr2h Volume of cylinder = 1/3 × πr2h Total volume given = 1078 => πr2h + 1/3 × πr2h = 1078 => 22/7 × 49 × (6 + 1/3 × h) = 1078 => (6 + 1/3 × h) = 1078/154 => h = 3
Area of sector of a circle whose radius is 21 cm, is 327.25 cm 2 . Find the angle subtend by arc at the center of circle. (Use π = 22/7)
A well with 20 m inside diameter is dug 10 m deep. Soil taken out of it has been evenly spread all around it to a width of 30 m to form an embankment. F...
Two-thirds of the cylinder is full of water. When we tilt the cylinder in such a way that the water becomes a diagonal shape, in this process 93.5 liter...
The base of a triangular field is 3 times its height. If the cost of harvesting this field at the rate of Rs 100 per hectare is Rs 1350, then find its b...
What is the difference between (in m2) the area of a circular field of radius 21 metres and area of a rectangular piece of land having its di...
The average of the areas of 2 similar triangles is 706.5 m2 whose perimeters are in the ratio of 6: 11. What is 20% of the difference (in m2)...
The sum of the perimeters of a square and a rectangle is 132 metres. If the sum of the length and breadth of the rectangle is 34 cm, then find the area ...
A cylinder has a height of 21 meters and a radius of 7 meters. If a cone has the same radius and height as the cylinder, what is the difference in volum...
A Sales Executive gets a commission on total sales at 10%. If the sale is exceeded Rs.15,000 he gets an additional commission as a bonus of 5% on the ex...
A giant circular wheel has a diameter of 49 metres. In how many revolutions will the wheel cover a total of 30.8 km?
