1. Pranita got 30 marks more in Math than what she got in Science. Her Math marks are 60% of the sum of her Math and Science marks. What are her Science marks?
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By: anil on 05 May 2019 01.46 am
Let she got $$x$$ marks in Science => Maths marks = $$(x+30)$$
According to ques, => $$(x+30)=frac{60}{100}(x+x+30)$$ => $$(x+30)=frac{3}{5}(2x+30)$$ => $$5x+150=6x+90$$ => $$6x-5x=150-90$$ => $$x=60$$ => Ans - (D)
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According to ques, => $$(x+30)=frac{60}{100}(x+x+30)$$ => $$(x+30)=frac{3}{5}(2x+30)$$ => $$5x+150=6x+90$$ => $$6x-5x=150-90$$ => $$x=60$$ => Ans - (D)