1. Two students appeared for an examination. One of them secured 20 marks more than the other and his marks were 55% of the sum of their marks. The marks obtained by them are
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By: anil on 05 May 2019 02.17 am
Let marks scored by 1st student = $$x$$ => Marks scored by another student = $$(x + 20)$$ According to question, => $$(x + 20) = frac{55}{100} imes (x + x + 20)$$ => $$x + 20 = frac{11}{10} imes (x + 10)$$ => $$10x + 200 = 11x + 110$$ => $$11x - 10x = 200 - 110 = 90$$ => $$x = 90$$ $$ herefore$$ Marks scored by other student = 90 + 20 = 110
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