EASY
11th Andhra Pradesh Board
IMPORTANT
Earn 100

The profit function P(x) of a company selling x items per day is given by
P(x)=(150-x) x-1000. Find the number of items that the company should manufacture to get maximum profit. Also find the maximum profit.

Important Questions on Applications of Derivatives

EASY
11th Andhra Pradesh Board
IMPORTANT
Find the approximations of the following 82.(Answer up to 3 decimals)
MEDIUM
11th Andhra Pradesh Board
IMPORTANT
Find the absolute maximum and absolute minimum of f(x)=8x3+81x2-42x-8 on -8,2
EASY
11th Andhra Pradesh Board
IMPORTANT
Find two positive integers whose sum is 16 and the sum of whose squares is minimum.
EASY
11th Andhra Pradesh Board
IMPORTANT
Find two positive integers x and y such that x+y=60 and xy3 is maximum.
EASY
11th Andhra Pradesh Board
IMPORTANT
From a rectangular sheet of dimensions 30 cm×80 cm, four equal squares of side x cm, are removed at the corners, and the sides are then turned up so as to form an open rectangular box. Find the value of x, so that the volume of the box is the greatest.
EASY
11th Andhra Pradesh Board
IMPORTANT
A window is in the shape of a rectangle surmounted by a semicircle. If the perimeter of the window is 20 ft, find the maximum area.
MEDIUM
11th Andhra Pradesh Board
IMPORTANT
If the curved surface of right circular cylinder inscribed in a sphere of radius R is maximum, show that the height of the cylinder is 2R.
MEDIUM
11th Andhra Pradesh Board
IMPORTANT
A wire of length l is cut into two parts which are bead respectively in the form of a square and a circle. What are the lengths of the pieces of the wire respectively so that the sum of the areas is the least.