Two chemical solutions have concentrations 18% and 40%. Calculate the ratio in which they should be mixed to get a solution of concentration 30%.?

6 : 5
4 : 3
3 : 5
5 : 6
3 : 4

LohaHridoy

4 views

2025-01-04 04:42

1 Answers

AhmedNazir

Option 4 : 5 : 6

Let, the ratio of two solutions = x : y

∴ 18x + 40y = 30(x + y)

⇒ 12x = 10y

⇒ x/y = 5/6

∴ x : y = 5 : 6

4 views Answered 2022-09-04 04:29

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