USPS Number Sequence Comparison 2

Question 1

Compare the two sequences and identify the position of the error:
Original: 7421 8836 5509 3174
Copy:     7421 8836 5590 3174

Accepted Answer

Position 3

Answer

Position 3 differs: '5509' was copied as '5590', with the last two digits transposed.

Question 2

Which pair of number sequences is an EXACT match?
A) 28473 91056  /  28473 91056
B) 63819 47203  /  63819 47230
C) 50124 88637  /  50214 88637
D) 71960 32548  /  71960 32584

Accepted Answer

Pair A

Answer

Only Pair A matches exactly; all other pairs contain transposed digits.

Question 3

Original: 309-555-0172
Copy:     309-555-0127
What type of error occurred?

Accepted Answer

Two digits were transposed

Answer

The last two digits '72' became '27', which is a transposition error.

Question 4

A postal worker must verify ZIP+4 codes. Which copy matches the original?
Original: 90210-4478

Accepted Answer

90210-4478

Answer

Only '90210-4478' is an exact match; the other options each contain a transposition or substitution.

Question 5

Original sequence: 14 29 44 59 74 89
Copy:             14 29 44 95 74 89
How many errors are present?

Accepted Answer

1 error

Answer

There is exactly one error: the fourth element '59' was copied as '95'.

USPS Error Detection Test Practice Test

USPS Error Detection Test Practice Test

USPS Number Sequence Comparison 2