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Android is a widely used operating system for smartphones and tablets, built upon the Linux kernel.
The volume of cone is 1689.6 cm3. If its height is 2.8 cm then find the radius of the cone.
A chord of a circle is equal to its radius. The angle subtended by this chord at a point on the circumference is
The area of four walls of a room is 160 cm2. If the length and breadth of the room were equal and the height of the room is 5 cm, then what i...
A giant circular wheel has a diameter of 14 metres. In how many revolutions will the wheel cover a total of 4.4 km?
Curved surface area of a cylinder is 440 cm². The base circumference is 44 cm. What is its volume?
The length of a plot is three times its breadth. A playground measuring 216 square metres occupies half of the total area of the plot. What is the lengt...
The perimeter of a rectangle is 110% more than perimeter of a square of side 20 cm. If the length of rectangle is 240% more than side of square then fin...
The speed of two railway engines is in the ratio 5: 4. If they move on parallel tracks in the same direction and if the slower engine is ahead of the f...
In a triangle, the lengths of the sides are proportional to 4, 3, and 5. If the area of this triangle is 216 square centimeters, determine the triangle'...