USPS Numeric Sequence Comparison 2

Question 1

Compare the two sequences and identify the error:
Sequence A: 7842 3916 5027 4483
Sequence B: 7842 3916 5027 4483

Accepted Answer

The sequences are identical

Answer

Both sequences are exactly the same with no differences in any group.

Question 2

Compare the two ZIP+4 codes:
Code A: 90210-3847
Code B: 90210-3874

Accepted Answer

The last two digits of the extension are transposed

Answer

The extension digits '47' in Code A appear as '74' in Code B, indicating a transposition error.

Question 3

A postal worker checks a tracking number:
Original: 9400 1118 9922 3301 4567
Entered:  9400 1118 9922 3301 4576

Accepted Answer

Error in group 5

Answer

Group 5 shows '4567' in the original but '4576' in the entered version — the last two digits are swapped.

Question 4

Which pair of numeric sequences contains an error?
Option A: 33142 / 33142
Option B: 77801 / 77801
Option C: 48205 / 48025
Option D: 60601 / 60601

Accepted Answer

Option C

Answer

Option C has '48205' vs '48025' — the middle two digits '20' are transposed to '02'.

Question 5

Compare the route numbers:
Route A: 0044-2293-1187
Route B: 0044-2293-1178

Accepted Answer

The last two digits of group 3 are transposed

Answer

Route A ends in '87' while Route B ends in '78', indicating the final two digits were transposed.

USPS Error Detection Test Practice Test