Comprehension Passage
Direction: The given bar graph shows the number of pens sold by two shops A & B in four consecutive months. Study the following data and answer the following questions:
Find the ratio of the number of pens sold by shop A in months 1st and 3rd together to the number of pens sold by shop B in months 2nd and 4th together.
1
27 : 28
2
28 : 29
3
29 : 30
4
26 : 27
5
None of these