When 15% is lost in grinding wheat, a country can export 30 lakh tons of wheat. On the other hand, if 10% is lost in grinding, it can export 40 lakh tons of wheat. The production of wheat in the country is:

Question: When 15% is lost in grinding wheat, a country can export 30 lakh tons of wheat. On the other hand, if 10% is lost in grinding, it can export 40 lakh tons of wheat. The production of wheat in the country is:

Solution:
Let, The production of wheat in the country is x lakh tons.

(0.9 - 0.85)x = 40 - 30
⇒ 0.05x = 10
⇒ x = 10/0.05
= 200