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51 questions R/100-R×100 10/100-10×100 10/90×100=100/9%ans

Let principal=x 1part =X 2nd part=100000-X S.I=p×r×t/100 x×9×1/100+(100000-x)×11×1/100=9750 9x+1100000-11x=975000 -2x=-125000 Minus to minus cancel than x=125000/2=62500 2nd part=100000-62500=37500

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