USPS Character Transposition Errors 3

Question 1

A letter is addressed to '5512 Cherrywood Ct' but the database shows '5521 Cherrywood Ct'. What error is present?

Accepted Answer

House number digits '1' and '2' were transposed

Answer

The house number 5521 shows digits '2' and '1' transposed compared to the correct 5512.

Question 2

Which of the following is NOT a transposition error?

Accepted Answer

'Denver' entered as 'Denvor'

Answer

'Denvor' replaces 'e' with 'o', which is a substitution error, not a transposition.

Question 3

An OCR machine reads apartment number 'Apt 61B' as 'Apt 16B'. The error type is:

Accepted Answer

Character transposition — digits '6' and '1' swapped positions

Answer

OCR transposed digits '6' and '1', reading 16 instead of the correct 61.

Question 4

Mail is sent to 'Ms. Sahra Thompson' when the correct name is 'Ms. Sarah Thompson'. What occurred?

Accepted Answer

Letters 'a' and 'h' were transposed in 'Sarah'

Answer

'Sarah' became 'Sahra' because letters 'a' and 'h' (positions 3 and 4) were swapped.

Question 5

Which ZIP code pair shows a transposition error?

Accepted Answer

Correct: 94102 — Entered: 94120

Answer

94102 vs 94120 shows digits '0' and '2' transposed in the last two positions.

USPS Error Detection Test Practice Test