Question

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

Options Are :--
1) 28 %
2) 45 %
3) 40%
4) 60%

Answer 1

45% is the answer according to me

Answer 2

(3) 40%
your answer hope it helps