Question

The length, breadth and height of a room are 6m,5m and 5m respectively. The room has one door of length and breadth as 1m and 0.5 m respectively. Find the cost of painting the walls of room at the rate of Rs 90 per square metre​

Answer 1

Answer:

Step-by-step explanation:

2[(5*7)+(6*7)]-1*0.5

                             

                              =70+84-0.5

                              = 153.5

cost of painting 1sq.m=90

                                    = 153.5*90

                                     =13815