The ratio of the quantities imported of steel and iron in 2018 was 3 :2 and in 2020 it was 1 : 1. The ratio of the quantities imported of steel in 2018 and 2020 was 4 : 3. What was the ratio of the quantities imported of iron in 2018 and 2020?
Answer & explanation
Correct answer: option 3
Lets' assume quantity of steel and iron imported in 2018 were 3x And 2y respectively.
Lets' assume the quantities imported of steel and iron in 2020 A and A.
⇒ \(\frac{3y}{A}\) = \(\frac{4}{3}\)
⇒ \(\frac{y}{A}\) = \(\frac{4}{9}\) ..(1.)
Ratio of the quantities imported of iron in 2018 and 2020 = 2y : A
⇒ 2 x 4 : 9 by (1.)
⇒ 8 : 9