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Let the length of the platform be 'x' meters. Speed of train = 100 km/hr. = 100 * 5/18 = 250/9 meter/second 300 + x = (250/9) * 27 ⇒ x = 750 - 300 = 450m ∴ Required speed of man = 450/(5 * 60) = 1.5 meter/second
The cost of levelling a square field @ Rs.32 per sq. metre is Rs.2,88,800. Field is to be fenced and also 2 metres broad pathway is to be cons...
The volume of a right circular cylinder is given as 64π√3 cm³. The radius of the cylinder's base is 4 cm. Determine the slant height of the cylinder...
What is the difference between (in m2) the area of a circular field of radius 14 metres and area of a rectangular piece of land having its di...
A cylindrical tank has a height of 10 meters and a radius of 7 meters. If the tank is filled with water up to half of its height, find the volume of wat...
The ratio of length to breadth to height of a cuboidal box is 6:5:4. If the total surface area of the cuboid is 1,392 cm², then ...
Area of a rectangle is equal to the total surface area of a hemisphere having volume 1458 cm³ . Find the perimeter of the rectangle if its length is 12...
The diameter-to-height ratio of a right circular cone is 16:15. Given that the curved surface area is 1224 π cm2, determine the cone's slant...
A cube has edge 13 m. Find its length of diagonal, surface area and volume.
Water flows at the rate of 10 meter per minute from a cylindrical pipe 5mm in diameter. How long it takes to fill up a conical vessel whose diameter at ...
When the area of a square carpet is 676 m2 then what will be the perimeter of the rectangle whose length is 4 more than the side of the squar...
