Comprehension Passage
The given table shows the ratio of the number of books and pens sold by four different shops i.e. A, B, C and D and also given the average number of books and pens sold by four different shops.
| Shop | Ratio of the number of books and pens sold | Average number of books and pen sold |
| A | 2 : 3 | 200 |
| B | 1 : 2 | 120 |
| C | 3 : 4 | 140 |
| D | 2 : 5 |
70 |
Out of the total number of books and pens manufactured by Shop D, 80% and 50% of them sold respectively, then find the number of books and pens unsold by Shop D?
1
40
2
45
3
110
4
35
5
None of these