Odd one out
which of the following number sets is differernt from rest three 1) {3,7,11,23} 2){11,31,13,43} 3){7,31,21,37} 4){5,13,17,29}
which of the following number sets is differernt from rest three1) {3,7,11,23}2){11,31,13,43}3){7,31,21,37}4){5,13,17,29}