Rajasthan Police Constable Model Paper 2

Given series: 4758 5698 5655 4552 1425
On adding the digits:
4758 → 4 + 7 + 5 + 8 = 24
5698 → 5 + 6 + 9 + 8 = 28
5655 → 5 + 6 + 5 + 5 = 21
4552 → 4 + 5 + 5 + 2 = 16
1425 → 1 + 4 + 2 + 5 = 12
The sum of all digits of 1425 is lowest i.e., 12.
Hence, ‘1425’ is the odd one.