Question

find the cost of carpet required spreading over a rectangular floor of a room of length 12 metre and breadth is 4 metre at the rate of rupees 240 per square metre​

Answer 1

Answer:

area of the floor = length x breadth

= 12 x 4

= 48

cost of carpet = 48 x 240

= 11,520 rupees

Answer 2

Given data :

• A rectangular floor of a room of length 12 metre and breadth is 4 metre.
• Cost of carpet is at the rate of Rs 240 per square metre.

To find : Find the cost of carpet required spreading over a rectangular floor.

Solution : Now according to given ;

• Length of rectangular floor = 12 m
• Breadth of rectangular floor = 4 m

Now we use formula of area of rectangle to find area of the rectangular floor.

⟹ Area of rectangular floor = length * breadth

⟹ Area of rectangular floor = 12 * 4

⟹ Area of rectangular floor = 48 m²

Here, we know that cost of carpet is at the rate of rupees 240 per square metre.

Hence,

⟹ Cost of spreading carpet over a rectangular floor = 48 * 240

⟹ Cost of spreading carpet over a rectangular floor = Rs 11520

Answer : Hence, Cost of spreading carpet over a rectangular floor is Rs 11520.