The bar chart given below shows the total exports (in = 1000 crores) of a country for 7 consecutive years Y1, Y2, Y3, Y4, Y5, Y6 and Y7.
What is the ratio of the exports of year with lowest exports and the year with second highest exports?
1
9 : 12
2
5 : 12
3
9 : 13
4
5 : 11