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

A box, constructed from a rectangular metal sheet, is 21 cm 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) 2 (c) 3 (d) 4

From a rectangular sheet of paper ABCD with AB=40CM and AD=28cm, a semi circular portion with BC as diameter is cut off. Find the area of the remaining paper. (U s epi=(22)/7)

From a rectangular sheet of paper ABCD with AB=40CM and AD=28cm, a semi circular portion with BC as diameter is cut off. Find the area of the remaining paper. (U s epi=(22)/7)

From a rectangular sheet of paper ABCD with AB=40CM and AD=28cm, a semi circular portion with BC as diameter is cut off. Find the area of the remaining paper. (Use pi=(22)/7)

From a rectangular cardboard sheet 145 cm long and 32 cm broad ,42 circular plates each of diameter 8 cm have been cut out . Find the area of the remaining portion of the sheet.

A metallic sheet is of the rectangular shape with dimensions 48cm xx 36cm . From each one of its corners, a square of 8cm is cutoff. An open box is made of the remaining sheet. Find the volume of the box.

A circle of largest area is cut from a rectangular piece of card-board with dimension 55 cm and 42 cm. Find the ratio between the area of the circle cut and the area of the remaining card-board.

The circle of largest area is cut from a rectangular piece of card-board with dimensions 55 cm and 42 cm. Find the ratio between the area of the circle cut and the area of the remaining card-board.

A rectangular cardboard sheet has length 32 cm and breadth 26 cm. The four squares each of side 3 cm are cut from the corners of the sheet and the sides are folded to make a rectanguler container. Find the capacity of the container.

The following figure shows a square card-board ABCD of side 28 cm. Four identical circle of largest possible size are cut from this card as shown below. Find the area of the remaining card-board.