Question

'Shyam is saving his money to build a wall around his house. His house is 1oom long and 40m wide. If the cost of building the wall is 50 rs/m then find the total amount he needs to save to make the whole wall.​

Answer 1

Answer:

Area of the wall= Area of rectangle

                       = length x breadth

                       =100 x 40

                       =4000m$x^{2}$

cost of building 1 m of wall=50rs

cost of building 4000m of wall=50 x 4000

                                               =200000

Therefore, Shyam needs to save rs 2,00,000 To build the wall

hope this helps!