1. In a company of 50 employees, are three standing committees: finance, program and planning. There are 25 members of finance, 18 in program and 20 in planning. Also 10 are in both finance and program. 11 are in both program and planning, 5 are with finance too, and 12 are with finance and planning:
______________a. How many members are in finance?
______________b. How many members are in program?
______________c. How many members are in planning?
______________d. How many members are in all the three committee?
______________e. How many members are in two committee?
Solutions: