Question

The length, breadth and height of a hall are 25 cm,15m,5m respectively. find the cost of renovating its floor and four walls at the rate of Rs.80 per square metre

Answer 1

Step-by-step explanation:

the length of the hall=25 m

The breadth of the hall=15 m

length× breadth×height

=1875×80

=15000 m .

The cost of the floor and four Wall at rate=15000 m

Answer 2

The cost of renovating its floor and four walls is Rs.62000

Step-by-step explanation:

Length of hall = 25 m

Breadth of hall = 15 m

Height of hall = 5 m

Area of 4 walls + floor = $2(l+b)h +lb=2(25+15)(5)+(25)(15)=775 m^2$

Cost of renovating 1 sq.m. = Rs.80

Cost of renovating 775 sq.m. = $80 \times 775 = Rs.62000$

Hence The cost of renovating its floor and four walls is Rs.62000

#Learn more:

A tank is 20m in length 15m in breadth 4m in depth find the cost of cementing its floor and the four walls at the rate of Rs.50 per square metre​

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