Aditi secured 40 % marks in English , 75 % marks in hindi , 80 % marks in mathematics and 65 % marks in general science . If the maximum marks in these subjects are 70 , 60 , 80 , and 40 respectively , find the percentage of her aggregate marks .
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Percentage in science =75%
Total marks=80
⇒Marks obtained in science =75% of 80
=
100
75
×80=60 marks
In mathematics=95%
Total marks=100
⇒ Marks obtained =95% of 100
=
100
95
×100=95 marks
In English, marks=70%
Total=70marks
⇒ Marks obtained=70% of 70
=
100
70
×70=49 marks
⇒ Total marks obtained=60+95+49
=204 marks
Maximum marks=80+100+70
=250 marks
⇒ Aggregate percentage=
250
204
×100
=
5
408
=81.6%.
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