Directions: Study the following information carefully and answer based on it.

The bar graph given below shows the number of days taken by A alone to complete 4 different projects i.e. P, Q, R, and S and the time taken by A and only one other project partner working together to complete each of the 4 different projects.

Note - (i) B, C, D and E partner up with A for projects P, Q, R and S respectively.

(ii) The efficiency of a given person is the same irrespective of the type of project they work on.

Number of days taken by A and his project partner together to complete the work:-