Directions :- Refer the graph and answer the given questions.
 The following line graph shows the number of products sold by company A and B during six years.

Q:

What is the ratio of the total number of products sold by A and B together in 2012 to the total number of products sold in these two companies together in 2015 ?

• 1
  12 : 25
• 2
  3 : 5
• 3
  4 : 3
• 4
  5 : 3
• 5
  None of these