The following bar graph shows the total number (in lakhs) of different types of telephones P, Q, R, S and T imported by a company in 2015 and 2016. Study the graph and answer the question.
Reference :
No. of Units imported (in lakhs) : Number of units imported (in lakhs)
Type of Telephones : Types of Telephones
The average import of type Q and R telephones in 2016 was equal to the average import of which type telephones in 2015?
1
P and Q
2
Q and R
3
R and S
4
S and T