Question

A survey of magazine subscribers places 68 celebrities in 3categories.

How many were only on the most intelliegent list?


*39 were o the most powerful list
32 were on the most liked list
26 were on the most intelligent list
6 were on all three lists
17 were on the most powerful and most liked lists
14 were on the most powerful and most intelligent lists
10 were on teh most liked and most intelligent lists.