If the height of a given cone be doubled and radius of base remains the same, the ratio of the volume of the given cone to that the second cone will be -

If Diagonal of rectangle is 41 cm and one side of Rectangle is 9 cm Then find out Ratio of perimeter and area of Rectangle? 

The length and breadth of a rectangular field are in the ratio of 3 : 2 . If the perimeter of the field is 80 m, its breadth (in meters) is: 

The length of the two sides forming the right angle of a right-angled triangle are 6 cm and 8 cm, then find the length of its circum radius:

If the perimeter of a rhombus is 80 cm and one of its diagonals is 24 cm, then what is the are (in cm²) of the rhombus?

Find the cost in rupees for carpeting a room 65dm× 30 dm at Rs. 45 per sq.m

The area ( in m² ) of the square which has the same perimeter as a rectangle whose length is 48 m and is 3 times its breadth is : 

The sides of a triangle are in the ratio of 7: 9 : 12. The difference between the lengths of largest and smallest sides is 15 cm . The length of the largest sides would be: