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

A student earned a grade of 80% on a math test that had 20 problems. How many problems on this test did the student answer correctly?

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Question

A student earned a grade of 80% on a math test that had 20 problems. How many problems on this test did the student answer correctly?

Sum
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Solution

Total number of problems in the test = 20

Students score = 80%

Number of problem answered = `80/100 xx 20` = 16

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Chapter 2: Percentage and Simple Interest - Exercise 2.5 [Page 45]

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Samacheer Kalvi Mathematics - Term 3 [English] Class 7 TN Board
Chapter 2 Percentage and Simple Interest
Exercise 2.5 | Q 18 | Page 45

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