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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
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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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