An open top box constructed from a rectangular metal sheet `8cm times3cm` by cutting equal squares of sides x from the corners of the sheet and then turning up the projected portions.The value of x so that the volume of the box is maximum is

A box,constructed from a rectangular metal sheet,is 21cm by 16cm by cutting equal squares of sides x from the corners of the sheet and then turning up the projected portions.The value of x os that volume of the box is maximum is (a)1(b) (c) 3(d) 4

From a rectangular sheet of dimensions 30cm times 80cm , 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.

from a rectangular sheet of tin,of size 100cm by 80cm, are cut four squares of side 10cm from each corner.Find the area of the remaining sheet.

A box without lid having maximum volume is to be made from a rectangular piece of 32cm xx20cm by cutting equal squares from the four cormers and turning up the projected ends.The height of the box is

A box without lid having maximum volume is made out of square metal sheet of edge60cms by cutting equal square pieces from the four corners and turning up the projecting pieces to make the sides of the box.The height of the box is

A box open from top is made from a rectangular sheet of dimension a xx b by cutting squares each of side x from each of the four corners and folding up the flaps. If the volume of the box is maximum, then x is equal to :

From a square cardboard of side 18 cms an open tank is made by cutting off equal squares from the corners of cardboard and turning up the sides. The maximum volume of the tank is

A rectangular box is to be made form a sheet of 24 inch length and 9 inch wideth cutting out indetical squares of side length x from the four corners and turning up the sides What is the value of x for width the vulume is maximum ?

A box with open top is made from a square piece of metal sheet of side 24cm by cutting equal small squares from each comer and turning up the edges If the volume of the box is maximum then the dimensions of the box are: