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# A room is 4 m long and 3 m 50 cm wide. How many square metres of carpet is needed to cover the floor of the room?

**Solution:**

We will be using the area of rectangle formula (length times breadth) to find the area of a room.

As the units are different, we need to convert them into a single unit,

Thus, 3 m 50 cm = 3 + 0.5 = 3.5 m. [ 100 cm = 1m ]

Now,

l = 4 m

b = 3 m 50 cm = 3.5 m

Area of the room = length(l) × breadth (b)

= 4 × 3.5

= 14 m^{2}

Therefore, 14 sq m. of carpet is needed to cover the floor of the room.

NCERT Solutions for Class 6 Maths Chapter 10 Exercise 10.3 Question 7

## A room is 4 m long and 3 m 50 cm wide. How many square metres of carpet is needed to cover the floor of the room?

**Summary:**

14 square metres of carpet is needed to cover the floor of the room with dimensions 4 m length and 3 m 50 cm width.

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