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The length, breadth and height of a box are respectively 14 m, 12 m and 13 m. The length of…
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The volume of the material of a hemispherical shell with outer and inner radii 9 cm and 7 cm respectively…
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The ratio of surface area to diameter of a sphere whose volume is 36π cubic cm is
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A cylindrical tube open at both ends is made of metal. The internal diameter of the tube is 6 cm…
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The volume of a right circular cone of height 3 cm and slant height 5 cm is
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A bucket is of height 25 cm. Its top and bottom radii are 20 cm and 10 cm respectively. Its…
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The height of a cylinder is 15 cm. The lateral surface area is 660 square cm. Its volume is
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The arc AB of the circle with centre at ‘O’ and radius 10 cm has length 16 cm. What is…
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From a solid wooden right circular cylinder, a right circular cone whose radius and height are same as the radius…
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A solid spherical ball of iron of radius 4 cm is melted to form spheres of radius 2 cm each.…
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The area of a square inscribed in a circle of radius 8 cm is
CDS Elementary Mathematics 2013
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The area of a rectangular field is 4500 square metres. If its length and breadth are in the ratio 9…
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A circular water fountain 6.6 m in diameter is surrounded by a path of width 1.5 m. The area of…
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If the heights and the areas of the base of a right circular cone and a pyramid with square base…
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An isosceles right-angled triangle has area 1 square unit. What is its perimeter?
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The angles A, B, C, D of a quadrilateral ABCD are in the ratio 1:2:4:5. What is sec² D –…
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The angles A, B, C, D of a quadrilateral ABCD are in the ratio 1:2:4:5. Consider the following statements: 1.…
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The angles A, B, C, D of a quadrilateral ABCD are in the ratio 1:2:4:5. What is cosec (C –…
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Mathematics
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The angles A, B, C, D of a quadrilateral ABCD are in the ratio 1:2:4:5. What is cos (A +…
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Mathematics
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As seen from the top and bottom of a building of height h metres, the angles of elevation of the…
CDS Elementary Mathematics 2013
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