• # question_answer How many tiles $40\text{ }cm\times 40\text{ }cm$ each will be required to pave a footpath 1 m wide carried round the outside of a plot$1800\,\,cm\times 28\,\,m$? A)  600                            B)  5,2000        C)  9,900                         D)  5,250

Footpath area $=2\times (2800+200)\times 100+2\times 1800\times 100$ $=6000\times 100+3600\times 100=960000$                 No of tiles $=\frac{461000}{40\times 100}$