What is the cost of tiling a rectangular hall 32 m long and 24 m wide at the rate of Rs. 90 per Sq, m ?

First the area of the Rectangular hall= Length X Breadth
                                                          32m X 24m
                                                         =768m²
Per m²=Rs.90
so,768m2=768 X 90 = Rs.69120
Ans=Rs. 69120