Asurvey of magazine subscribers placed 59 celebrities in 3 categories. 35 were on the most powerful list. 26 were on the most liked list. 20 were on the most intelligent list. 3 were on all three lists. 13 were on the most powerful and most liked lists. 10 were on the most powerful and most intelligent lists. 7 were on the most liked and most intelligent lists. how many were only on the most intelligent ? list? how many were on none of the? lists?