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The correct answer is D
A cylindrical tank of 28 cm base radius is partly filled with water. How many spherical iron balls of 1cm radius are added in it in order to increase th...
The length of the rectangle is triple its breadth. If the perimeter of the rectangle is 56 m, then find the area (in m2) of the rectangle.
There is a carpet of length 20 m. How many small pieces of carpet, each of length 4 m, can be cut out of it?
The area of four walls of a room is 144 cm2. If the length and breadth of the room were equal and the height of the room is 4 cm, then what i...
If the area of a square field is 576 m 2 , then find the diagonal of the square field.
A race track is in the shape of a rectangle with length of 80 metres and area of 2400 m2. A car takes 20 seconds to make one lap around the p...
A field is in the shape of a trapezium, where the distance between the two parallel sides is 60 metres. One of the parallel sides measures 30 metres, an...
Find the area of the sector of a circle with radius 4cm and angle 30°.