The given bar graph shows the total number of a certain product X (in lakh) from 5 different branches of a company B1, B2, B3, B4 and B5 that was produced in 2015 and 2016. Study the graph carefully and answer the following question.
The number of product X produced by branch by branch B1 in 2016 is equal to the number of product X produced by which branch/es?
1
B2 in 2016
2
B2 and B3 in 2015
3
B3 and B4 2015 and 2016, respectively
4
B5 in 2016