What is the radius of the circular plate of thickness 1 cm made by melting a sphere of radius 3 cm ? By Editor No Comment Answer : A. 6 cm
In City A population is 68000, decreasing at a rate of 80 per year City B having population 42000 increasing at a rate of 120 per Year. In how many years both the cities will have same population ? By Editor No Comment Answer : 130...
