Practice Test GeeksUSPS Error Detection Test Practice Test
← All USPS Flashcard Decks

Error Detection Numeric Sequence Comparison 1 Flashcards

6 cards from real USPS practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 6 Error Detection Numeric Sequence Comparison 1 flashcards as text

  1. Compare the two numeric sequences and identify if there is an error: Left: 3847291056 Right: 3847291056

    Answer: No error detected; the sequences are identical

    Both sequences read 3847291056 from left to right with no differences. Every digit in the same position matches exactly, so no error is present.

  2. Compare the two numeric sequences and identify if there is an error: Left: 6150837294 Right: 6150873294

    Answer: Error detected; the 6th and 7th digits are transposed

    The left sequence reads ...837... while the right reads ...873... — the digits 3 and 7 in positions 6 and 7 have been swapped, making the two sequences different.

  3. Compare the two numeric sequences and identify if there is an error: Left: 312-847-5026 Right: 312-847-5026

    Answer: No error detected; the sequences are identical

    All three segments of both formatted sequences — 312, 847, and 5026 — are identical. The hyphen formatting matches as well, so there is no error.

  4. Compare the two numeric sequences and identify if there is an error: Left: 57839102647 Right: 57839112647

    Answer: Error detected; the 7th digit differs between sequences

    The first six digits (578391) match, but position 7 is 0 in the left sequence and 1 in the right sequence. All remaining digits are identical, confirming a single-digit substitution error at position 7.

  5. Compare the two numeric sequences and identify if there is an error: Left: 94061827350 Right: 94061827530

    Answer: Error detected; the 9th and 10th digits are transposed

    The first eight digits (94061827) are identical, but positions 9 and 10 differ: the left sequence has 35 while the right has 53, indicating the digits 3 and 5 were transposed.

  6. Compare the two numeric sequences and identify if there is an error: Left: 748-293-6015 Right: 748-293-6015

    Answer: No error detected; the sequences are identical

    Every digit and hyphen in both sequences matches: 748 equals 748, 293 equals 293, and 6015 equals 6015. The sequences are completely identical with no error present.