USPS Error Detection Numeric Sequence Comparison Questions and Answers

Question 1

A sorting manifest lists a package ID as 89347752. The ID scanned from the package barcode is 89437752. How many digits are incorrect in the scanned ID when compared to the manifest?

Accepted Answer

Two

Answer

One

Answer

Three

Answer

Four

Question 2

You are verifying a series of tracking numbers against a dispatch log. Which of the following pairs contains an error?

Accepted Answer

Log: 72635491 / Scan: 72635419

Answer

Log: 45091288 / Scan: 45091288

Answer

Log: 11820034 / Scan: 11820034

Answer

Log: 98765432 / Scan: 98765432

Question 3

A mail handler is tasked with manually verifying container codes. The code on the container is 91025548. The code in the system is 91025548. What is the correct action?

Accepted Answer

Mark the codes as a successful match.

Answer

Flag the container for a secondary check.

Answer

Mark the codes as a mismatch.

Answer

Request a new code be generated for the container.

Question 4

When comparing the original ZIP+4 code '33186-5001' to the entered code '33186-5010', what type of error has occurred?

Accepted Answer

A single-digit substitution

Answer

A transposition error

Answer

An omission error

Answer

An insertion error

Question 5

An automated reader attempts to scan a tray label ID. It produces four possible readings. The original label ID is confirmed to be 67729015. Which of the following readings is the correct match?

Accepted Answer

67729015

Answer

67279015

Answer

67729051

Answer

67729105

Question 6

Compare the following two 8-digit routing numbers: Number 1: 24681357, Number 2: 24681357. Which statement is true?

Accepted Answer

The numbers are identical.

Answer

Number 2 has a transposition in the last two digits.

Answer

Number 2 is missing a digit.

Answer

Number 1 has an error in the fifth digit.