Find the odd one in the series: 835, 734, 842, 761, 853, 981, 532?

A) 751

B) 853

C) 981

D) 842

842 is the odd one out because in other numbers the difference of the first and third digit is the middle digit.

8-3= 5 , 7-4=3, 8-2=6, 7-1=6, 8-3=5, 9-1=8, 5-2=3