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Start learning 50% faster. Sign in nowThe hardness of bones is due to the presence of calcium salts in the matrix.
In a rectangular floor of length and breadth of 21 metres and 4 metres, respectively, square tiles each of 2 metre edge length are to be laid. If the co...
A 18 m long ladder (whose foot is on the ground) leans against a wall making an angle of 60° with the wall. What is the height (in m) of the point w...
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...
After increase in sugar prices by 20%, a person is able to buy 2 kg less sugar for Rs. 540. Find the original and increased price of sugar per kg.
...The volume of the cylinder is 12320 cm3 is less than the volume of the sphere. The radius of the sphere is 2.625 times the height of the cyli...
A rectangular piece of land has a perimeter of 23 metres and length of 10 metres. If the area of the land is to be divided into 3 equal portions, then w...
AB is a diameter of a circle with centre O. A tangent is drawn at point A. C is a point on the circle such that BC produced meets the tangent at P. If �...
A solid cylinder has the total surface area 231 sq.cm. If its curved surface area is of the total surface area, then the volume of the cylinder is