Question

Find the cost of whitewashing of the room of dimensions 15 m × 12 m × 10m at the rate of ₹ 2.50 per m²​

Answer 1

Answer:

₹750

Step-by-step explanation:

Room dimension: 15m * 12 m * 10m = 300m

rate = ₹ 2.50 per $m^{2}$

300m * 2.50 = ₹750

Answer 2

Given

we have given dimensions of room = 15m×12m×10m

Cost of white washing the room is @₹ 2.50 per m²

To Find

We have to find cost of white washing the room

$\sf\huge\bold{\underline{\underline{{Solution}}}}$

➙length of the room = 15m

➙Breadth of the room = 12m

➙Height of the room = 10m

Area of room to be white wash =2(length+breadth)×height + lb

➙Area of four walls = 2(15+12)×10+15×12

➙Area of four walls = 2(27)×10+180

➙Area of four walls = 54×10+180

➙Area of four walls = 540+180=720m²

Now,we have to find cost of white Washing @₹2.50/m²

Cost of white washing the room = ₹2.50× 720

Cost of white washing the room = ₹1800