N, P, Mg, Zn deficiency appears first in older leaves.
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.
