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Subject: Science, asked on 2/10/18

Pehal and ishaan were making 100g sugar solutions with concentration by mass 20% and 50% respectively. Pehal added 20g of sugar in her solution whereas Ishaan evaporated 20g of water from his solution . Now the two solutions were mixed to form a final solution. The concentration by mass of final solution is

a) 28%
b)45%
c)40%
d)60%

(Answer with solution) plz

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