1. There are 41 candidates approved to be allotted as the F.D.R.E. council of cabinets. Historic facts of the candidates are shown below, 8 were served as former cabinet members,14 were university presidents, 15 served as members of P.R.H., 2 served in former cabinet and as P.R.H, 4 served as university presidents and members of former cabinet, 6 were served as university presidents and members of P.R.H, 1 served in all the three positions. The find the number of candidates: a. Served in none of the three positions? b. Only university presidents? c. At least one of the three positions? d. Exactly two positions?
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15 candidates Served in none of the three positions.
5 candidates served only university presidents.
26 candidates served at least one of the three positions.
9 candidates served exactly two positions.