Question

Sumit, Akshay and Ruchi prepared 200 g salt solution each in beaker 'A', 'B' and 'C' with concentration (% w/w) 15%, 12% and 10% respectively. Ruchi evaporated 100 g of water from beaker 'C' and the concentration of solution changes to x% from 10%. Rohit took 10 g solution from beaker 'A', 15 g solution from beaker 'B' and 20 g solution from beaker 'C' (after evaporation) and mixed in another beaker 'D'. The percentage concentration (w/w) of solution in

beaker 'D' is
A) 15%

B) 15.87%

C.18.68%

D) 16.22%
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Answer 1

Answer:

c) answer h ookkk