2.
it, if a sheet measuring 1m² costs 20.
The length, breadth and height of a room are 5 m, 4 m and 3 m respectively. Find the
cost of white washing the walls of the room and the ceiling at the rate of
7.50 per m.
Share
2.
it, if a sheet measuring 1m² costs 20.
The length, breadth and height of a room are 5 m, 4 m and 3 m respectively. Find the
cost of white washing the walls of the room and the ceiling at the rate of
7.50 per m.
Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
Answer:
given,
length = 5m
breadth= 4m
height = 3m
now ,
lateral surface of room with ceiling= 2h(l+b)+l×b
= 2×3(5+4)+20
= 6×9+20
= 74m^2
cost of white washing per m^2 =₹ 7.50
cost of white washing of 74m^2 = 74×7.50
= ₹ 555
hence the cost of white washing of 74 m^2 is ₹ 555.
I hope you understand stand this question.
start following me I will help you in your queries. thank you
Please like me.
Please Follow Me..