Let the length and breadth of the rectangle be 5x cm and 4x cm, respectively. According to the question, 5x + 4x = 36 Or, x = 36/9 = 4 Therefore, area of the rectangle = 5x × 4x = 20x2 = 320 cm2
The ratio of length and breadth of a rectangular field is 5:9. If the total cost of surrounding it at the rate of Rs 7.50 per meter is Rs 4200, then fin...
The sum of the areas of two circles P and Q is 20020 cm2. If the product of the diameters of both circles P and Q is 12348 cm, then find out ...
The lateral surface area of a cube is 256 cm2 . The length of a cuboid is 50% more than the side of the cube. The breadth of the cuboid is 5 ...
Ashish and Sushil together start a business with investment of Rs. 1700 and Rs. ‘x + 1100’, respectively. If the profit earned after 5 years...
The ratio of a closed cuboid's length, width, and height is 5: 4: 3. The total surface area of this cuboid is 1500 cm². Find the volume (in cm³) of th...
What least number must be subtracted from 5224 to get a number exactly divisible by 43?
Find the surface area of the smallest cube that can perfectly fit a sphere of volume 47916π cm3 inside it.
The curved surface area of a right cylinder is 3696 cm³. Its height is three times its radius. What is the capacity (in litres) of the cylinder? (T...
A solid metallic cone with a radius of 6 cm and height of 12 cm is melted and recast into smaller cones with a radius of 3 cm and a height of 4 cm. How ...
If the area of a triangle is 1080 cm2 and base: corresponding altitude is 3:5, then the altitude of the triangle is: