Question

What should be the ratio in which 15% and 20% salt solution are mixed to get 16.5%.
salt solution?
(A) 3:7 (B) 3:5 (C) 5:3 (D) 7:5 (E) 7:3​

Answer 1

use alligation

15%. 20%

16.5%

3.5%. 1.5%

= 7:3 (Ans)

(Mark as brainlist)