Question

find the odd man out.15,25,30,51,85,90,115​

Answer 1

51 it is not multiple of 5

Answer 2

ANSWER :

51

DETAILS :

15 , 25,  30 .... 115 are all multiples of 5 .

However 51 is not a multiple of 5 .

51 = 17 * 3

Thus we can say that 51 is the odd one our in the list .