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A room is 16 m long and 13.5 m broad. Find the cost of covering its floor with 75-m-wide carpet at ₹ 60 per metre. - Mathematics

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A room is 16 m long and 13.5 m broad. Find the cost of covering its floor with 75-m-wide carpet at ₹ 60 per metre. 

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Solution

As, the area of the floor =`"length"xx"breadth" ` 
=`16xx13.5` 

=`216m^2` 

And, the width of the carpet = 75 m 

So, the length of the carpet required=`"Area of the floor"/"Width of the carpet"`

=`216/75` 

=` 2.88 m` 

Now, the cost of the carpet required=`2.88xx60=172.80` 

Hence, the cost of covering the floor with carpet is `172.80` 

Disclaimer: The answer given in the textbook is incorrect. The same has been rectified above 

 

Concept: Area of Circle
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APPEARS IN

RS Aggarwal Secondary School Class 10 Maths
Chapter 17 Perimeter and Areas of Plane Figures
Q 6

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