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Question 51

A magazine charges ₹ 300 per 10 sq cm area for advertising. A company decided to order a half page advertisement. If each page of the magazine is 15 cm×27 cm, what amount will the company has to pay for it?

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Solution

Given, charges for 10 sq cm advertisement = ₹ 300

Charges for 1 sq cm advertisement = 30010 sq cm×1 sq cm = ₹ 30

In order to find out the amount the company has to pay for a half page advertisement, we will find the area of half page of magazine and then multiply it with the charges for 1 sq cm advertisement.

Now, area of 1 page of magazine = 15 cm×24 cm = 360 cm2

Area of a half page of magazine =Area of 1 page of magazine2

= 3602=180cm2

So, charges for half page advertisement

= Area of half page of magazine× Charges for 1 sq cm advertisement

= 180 ×30

= ₹ 5400

Hence, the company has to pay ₹5400 for it.


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