The pie chart given below shows the expenditure incurred by a person on 7 articles.The total expenditure of all these 7 articles are 3600. Expenditure incurred on a particular article is shown in terms of degree with respect to the total expenditure incurred in all these 7 articles.
What is the average expenditure incurred on article P and Q?
1
875
2
905
3
885
4
950