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If the price of sugar is decreased by 20%, then the new price of 3 kg sugar originally costing ₹ 120 will be ______. - Mathematics

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Question

If the price of sugar is decreased by 20%, then the new price of 3 kg sugar originally costing ₹ 120 will be ______.

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Solution

If the price of sugar is decreased by 20%, then the new price of 3 kg sugar originally costing ₹ 120 will be 96.

Explanation:

From the question, it is given that, the price of 3 kg sugar originally costing ₹ 120

The price of sugar is decreased by 20%

Then, the new price of sugar = 120 – 20% of the original price

= `120 - 20/100 xx 120`

= `120 - 2400/100`

= 120 – 24

= ₹ 96

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Chapter 7: Comparing Quantities - Exercise [Page 200]

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NCERT Exemplar Mathematics [English] Class 7
Chapter 7 Comparing Quantities
Exercise | Q 38. | Page 200

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