Comprehension Passage
Directions: Study the following data and answer the following questions:
A and B bought some books and notebooks. The price of a book and a notebook is Rs.70 and Rs.40 respectively. The number of notebooks A have is 20 less than the number of notebooks B have. The ratio between the number of notebooks and books B have is 9 : 11. A has 10 more notebooks than books. The total books bought by two is 170.
Find the ratio between the total price of books and notebooks bought by A.
1
3 : 2
2
1 : 4
3
3 : 7
4
2 : 1