Question
Which pest is known as national
pest?Solution
White grubs are root feeders and their beetles feeds on the leaves of host plants. They cause damage to roots of commercial crops the damage caused by the White grub up to 70%.
Find the surface area of the smallest cube that can perfectly fit a sphere of volume 47916Ď€ cm3 inside it. Â
Four persons ‘A’, ‘B’, ‘C’ and ‘D’ have different amounts with them. ‘D’ has twice amount th...
A man standing in a point C of a ground. He observes a flying an aero-plane in the east at an angle of elevation of 30° and after 30 seconds, he obs...
A wire, when bent in the form of a square encloses an area of 121 sq. cm. If the same wire is bent in the form of a circle, what is the area enclosed by...
The curved surface area of cylinder P is 16632 cm2Â whose height and radius are (y+2) and (z-7) respectively. The radius of cylinder Q is ...
A solid cube of side 8 cm is dropped into a rectangular container of length 16 cm, breadth 8 cm and height 15 cm which is partly filled with water. If t...
In a rectangular floor of length and breadth of 19 metres and 6 metres, respectively, square tiles each of 2 metre edge length are to be laid. If the co...
Perimeter of a square is equal to the perimeter of a circle that is 704 cm. Find the ratio of the side of the square to the radius of the circle.
A village having a population of 5000 requires 250 litres of water per head per day. It has a tank measuring 50 m × 40 m × 25 m. The water o...
If a triangle with base 6 cm has the same area as a circle with radius 6 cm, then the corresponding altitude (in cm) of the triangle is:Â