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Tamil Nadu Board of Secondary EducationSSLC (English Medium) Class 7

The cost of one pen is ₹ 8 and it is available in a sealed pack of 10 pens. If Swetha has only ₹ 500, how many packs of pens can she buy at the maximum? - Mathematics

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Question

The cost of one pen is ₹ 8 and it is available in a sealed pack of 10 pens. If Swetha has only ₹ 500, how many packs of pens can she buy at the maximum?

Options

  • 10

  • 5

  • 6

  • 8

MCQ

Solution

6

Explanation;

Hint:

Price of 1 pen = ₹ 8

Price of 1 pack = 10 × 8 = 80

Number of packs Swetha can buy = x

80x < 500

8x < 50

x < `50/8` = 6.25

x is a natural number x = 1, 2, 3, 4, 5, 6

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Solving Linear Inequations
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Chapter 3: Algebra - Exercise 3.2 [Page 69]

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Samacheer Kalvi Mathematics - Term 3 [English] Class 7 TN Board
Chapter 3 Algebra
Exercise 3.2 | Q 8 | Page 69
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