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तामिळनाडू बोर्ड ऑफ सेकेंडरी एज्युकेशनएस.एस.एल.सी. (इंग्रजी माध्यम) इयत्ता ७

Kayal scored 225 marks out of 500 in revision test 1 and 265 out of 500 marks in revision test 2. Find the percentage of increase in her score - Mathematics

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प्रश्न

Kayal scored 225 marks out of 500 in revision test 1 and 265 out of 500 marks in revision test 2. Find the percentage of increase in her score

बेरीज
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उत्तर

Marks scored in revision 1 = 225

Marks scored in revision 2 = 265

Change in marks = 265 – 225 = 40

Percentage of increase = `"Change in marks"/"Original marks" xx 100`

= `40/500 xx 100`

= 8%

Percentage of increase in marks = 8%

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पाठ 2: Percentage and Simple Interest - Exercise 2.3 [पृष्ठ ४०]

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सामाचीर कलवी Mathematics - Term 3 [English] Class 7 TN Board
पाठ 2 Percentage and Simple Interest
Exercise 2.3 | Q 9 | पृष्ठ ४०

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