The curved surface area of a cylinder is 154 cm square the total surface area is of cylinder is equal to the surface area of cylinder find the volume of cylinder
a*b=ab/5 for all a,b belongs to {0} write the element for binary operation also find the value of x given by 2*(x*5)=10
Find the number of natural numbers between 102 and 998 which are divisible by 2 or 5 both.