The given table represents the number of engineers recruited by four companies A, B, C and D over the years. Study the table carefully and answer the question that follows.

The ratio of the total number of engineers recruited by companies A and B in 2015 and 2018 to the total number of engineers recruited by C and D in 2014 and 2018, is:

17 : 14

Number of of engineers recruited by companies A and B in 2015 and 2018  :  Number of engineers recruited by C and D in 2014 and 2018

    ( 132 + 118 + 148 + 112 )   :   ( 85 + 105 + 105 + 125 )

                       510                  :              420

                        17                   :                14