Question
The largest deposits of iron ore are found in the
states of:Solution
The correct answer is C
A sphere 'A' has a volume of 256 cm³, and its radius is 'r' cm. If the radius of another sphere 'B' is (r + 1) cm, calculate the curved surface area (i...
- If 3 cubes of side 10 cm each are connected in a row, find the total surface area of the shape formed.
If two is added to the denominator of a rational number it becomes 1 and if 4 is added to the numerator it becomes ½. Then the sum of the numerat...
The volume of a cube is 27 cm³. If the cost of painting the cube is Rs. 25 per cm², then find the cost of painting five faces of the cube.
If the area of a triangle is 1690 cm2 and base: corresponding altitude is 4:5, then the altitude of the triangle is:
A rectangular tank has a length of 12 m, width of 10 m, and height of 8 m. It is filled with water up to 60% of its capacity. A cylindrical pipe with ra...
The sum of the perimeters of a square and a rectangle is 118 metres. If the sum of the length and breadth of the rectangle is 31 cm, then find the area ...
- The total surface area of a cylinder is 6,600 cm² and its radius is 25 cm. If the height is (k + 10), then calculate k². (Use π = 22/7)
The perimeter of a floor a room is 36m. What is the area of four walls of the room, if its height is 6m?
The secant CD intersects the circle at E and CF is tangent to the circle at F. If the length of the secant CD is equal to 20 cm and the length of tangen...
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