A person spent 25% of his monthly income on food and 62% of the remaining on rent. If amount spent on rent is Rs 930, then find the amount spent on food.
If the radius of a cylinder is 17 cm and its curved surface area is 1309 cm2 then find the height of the cylinder?
The length, breadth and height of a room are 8m, 10m and 12m respectively. Find the cost of white washing the room at the rate of Rs 15 per m²?
The outer radius of a spherical shell is 8 cm, and the thickness of the shell is 2 cm. Find the volume of the metal used for the shell (in cubic cm).
A storeroom has only steel and copper rods in the ratio 3:4, respectively and the weight of each steel and each copper rod is in the ratio 5:8, respecti...
A square whose diagonal is 12√ 2cm is made base of the pyramid. if height of the pyramid is 15cm, then what is the total surface area of the pyramid.(...
Find the surface area of the smallest cube that can perfectly fit a sphere of volume 36000π cm3 inside it.
The area of a rectangular field is 2880 m² and its length to breadth in the ratio of 5 : 1. What is the perimeter of the field.
Find the number of sides in a polygon in which each internal angle is 120° ?
A gardener uses cylindrical roller of diameter 7 cm and length 28 cm to flatten a rectangular field of dimension 280cm × 165 cm. Find the number o...
John had to multiply 'a' by 'b'. He however multiplied 'a' by 22.5 and obtained 423 as the product. Selina also had to multiply 'a' by 'b'. She however ...
