Question

34. A rectangular sheet of metal is 40cm by 15cm. Equal squares of side 4cm are cut off at the corners and the remainder is folded up to form an open rectangular box. The volume of the box is

Answer 1

Length of the sheet = 40cm

After cutting, new length = 40-8 = 32cm

Breadth of the sheet = 15 cm

After cutting,new breadth = 15-8 = 7cm

Now volume = 32 x 7 x 4 = 896 cm^3