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 : Choose the correct choice from the following answers.
A) 20 lakh tons	B) 80 lakh tons	C) 200 lakh tons	D) 800 lakh tons	E) None of these
Solution   Let the total production be x lakh tons.   Then, 15% of X - 10% of X = (40 - 30) lakh tons   ⇔ 5% of x = 10 lakh tons ⇔ x = ( 10x100/5 )= 200 lakh tons.   Answer 200 lakh tons
<result>C</result>
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 :