Let the imports in the year 1998 = Rs. x crores. Then, The export in the year 1999 = (500 – x) crores. ⇒ 1.25 = 250/x. ⇒ x = 250/1.25. ⇒ x = 200 crores. Thus, The exports in the year 1999 were (500 – 200) ⇒Rs. 300 crores. Let the import in the year 1999 = Rs .y crores. Then, 1.4 = y/300.