Soil orders in sequence of increasing degree of development are Entisols, Inceptisols, Aridisols, Mollisols, Alfisols, Spodosols, Ultisols, and Oxisols. Histosols and Vertisols may appear in any of the above at any time during their development.
A sphere is melted and recast into 8 smaller spheres of equal size. If the radius of the original sphere is 12 cm, find the radius of each smaller sphere.
If tan θ + cot θ = 5, then the value of tan2 θ + cot2 θ + 2tan2 60° is:
A cylinder has a radius of 4 cm and a height of 10 cm. A cone with the same radius is placed inside the cylinder, touching the bottom and the sides. If ...
If two complementary angles are in the ratio of 5:1, find the greater angle.
The weight of a cubic metre metal is 1215 kg. It is melted and cast into a square rod of 9m length. A solid cube of maximum size is taken out from one e...
The area of a rectangle is 5/7 that of a square. The length of the rectangle is 20 cm and the breadth of the rectangle is 3/2 times that of the side of ...
The total population of a village is 1000. The number of males and females increases by 6% and 8% respectively and consequently the population of the vi...
Calculate the volume of a sphere whose diameter measures 21 cm. (Take π = 22/7)
In a rectangular floor of length and breadth of 16 metres and 7 metres, respectively, square tiles each of 4 metre edge length are to be laid. If the co...
The volume and height of a cylinder are 7986 cm3 and 21 cm. Find the radius of the cylinder.