Let the area of plot received by P, Q and R be 3x, 5x and 7x respectively. According to the question, => 5x + 4200 = 7x => 2x = 4200 => x = 4200/2 = 2100 Area of plot received by P and Q together, = 3x + 5x = 8x = 8 x 2100 = 16800m²
The ratio of the sum of the parallel sides of a trapezium to its height is 4:5, and its area is 360 m². If the length of a recta...
The outer diameter of a hollow cylindrical brass rod is 9.1 cm. The rod is 35mm thick and is 40cm long. If the weight of 1 cubic centimeter of brass rod...
Length of a rectangle is equal to the side of a square. If area of the square and rectangle is 729 m2 and 297 m2, respectively the...
The volume of cone is 1320 cm3. If its height is 1.4 cm then find the radius of the cone.
The surface area of the two spheres are in the ratio9:16. Their volumes will be in the ratio
The external dimensions of a cuboidal container, with a thickness of 2 cm, are 24 cm in length, 20 cm in breadth, and 18 cm in height. If each cubic cen...
Radius of a cylinder is increased by 20% and height reduces by 40% so what effect on the volume of cylinder?
Water flows into a tank which is 200m long and 120 m wide, through a pipe of cross- section 0.3 m × 0.2 m at 20 km/hr. then the time ( in hr) for ...
A right circular cylinder having total surface area of 16940 cm2 is immersed in a vessel completely filled with water. If the height of the c...
A circle is inscribed in a square an equilateral triangle of side 10 √2 cm is inscribed in that circle the length of the diagonal of the square is. <...
