Directions: The given caselet shows the number of undergraduates and post graduates working in four different companies P, Q, R and S.
Number of undergraduates working in company P to number of post - graduates working in the same company are in the ratio 18: 17. Number of undergraduates working in company S is 225 more than the number of undergraduates working in company P. Number of undergraduates working in company R is 33.33% more than the number of undergraduates working in company P. Total undergraduates working in all companies is 2225. The number of post graduates working in company S is 100 more than that of company P. The number of post graduates working in company R is 25 less than the number of undergraduates working in the same company. The number of undergraduates working in company Q is 500 which is 50 less than the number of post graduates working in the same company.