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प्रश्न
In an examination, Kavita scored 120 out of 150 in Maths, 136 out of 200 in English and 108 out of 150 in Science. Find her percentage score in each subject and also on the whole (aggregate).
उत्तर
In Maths percentage = `(120)/(150) xx 100`
= `(4)/(5)`xx 100 = 80%
In English percentage
= `(136)/(200) xx 100`
= `(136)/(2)`
= 68%
In Science percentage
= `(108)/(150)xx 100`
= `(108 xx 2)/(3)`
= 72%
Total number scored = 120 + 136 + 108 = 364
Maximum marks = 150 + 200 + 150 = 500
∴ Overall % = `(364)/(500) xx 100` = `(364)/(5)` = 72.8%
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