HomeIQ Practice Test Error Checking Practice

Error Checking Practice

Updated: Jan 09, 2025

The error checking practice is a free online brief exercise with 8 multiple-choice questions measuring your ability to spot errors in various types of data. There’s no time limit. Ready to challenge yourself? Take the test now!

Error Checking Practice Instructions

Click the “Go to the test” button or scroll below to begin. Pay careful attention to the details and information provided to understand the questions and quickly identify the errors.

Question 1.
01:00


NameE-mailTelephone numberSector
Bob[email protected]1324-90983-001Public
Angelina[email protected]4623-75211-101Public
Jesse[email protected]5643-87561-112Private
Carl[email protected]7253-66554-356Private
Thomas[email protected]1324-998765-01Public


What is the correct e-mail address of Carl?
Question 2.
01:00


NameE-mailTelephone numberSector
Bob[email protected]1324-90983-001Public
Angelina[email protected]4623-75211-101Public
Jesse[email protected]5643-87561-112Private
Carl[email protected]7253-66554-356Private
Thomas[email protected]1324-998765-01Public


What is Jesse's telephone number?
a. 5634-87561-112
b. 5643-87761-112
c. 5643-87651-112
d. 5643-87561-122
e. 5643-87561-121
f. 5623-87561-112
g. 5643-87561-112
h. 5643-87511-112
Question 3.
01:00


NameE-mailTelephone numberSector
Bob[email protected]1324-90983-001Public
Angelina[email protected]4623-75211-101Public
Jesse[email protected]5643-87561-112Private
Carl[email protected]7253-66554-356Private
Thomas[email protected]1324-998765-01Public


What number or e-mail address does not appear in the table?
b. 1324-90883-001
e. 5643-87561-112
f. 4623-75211-101
h. 7253-66554-356
Question 4.
01:00


NameE-mailTelephone numberSector
Bob[email protected]1324-90983-001Public
Angelina[email protected]4623-75211-101Public
Jesse[email protected]5643-87561-112Private
Carl[email protected]7253-66554-356Private
Thomas[email protected]1324-998765-01Public


What are the last 5 digits of Carl's telephone number?
a. 54536
b. 53456
c. 56354
d. 54356
e. 55356
f. 54359
g. 54365
h. 54355
Question 5.
01:00


Mr. D. Edwardson PhD.
9334 Sunset Blv.
87654 Mountain Grove
Telephone: 0632-3958011
Fax: 0632-3958022
Mrs. S.H. Zanzitski MD
21132 Johnsonscreek Rd.
124BA Canyon Bay
Telephone: 45624-32-235678
Fax: 888-81873211
Dr. J. (Jane) Goldstein
22934 Brookstone
60432 Greenpark (App. 12)
Telephone: 824-2245131-15
Fax: 824-2246131-16
Ms. F.A. Fairweather
1562-H Lilyfield
56783 Blacklake (Building IX)
Telephone: 12335-82561-1
Fax: 12335-82561-1


What is the correct address of Ms. Fairweather?
a.

1562-H Lilyfield
56783 Blackblake (Building IX)

b.

1562-H Lilyfield
56183 Blacklake (Building IX)

c.

1562-H Lillyfield
56783 Blacklake (Building IX)

d.

1562-4 Lilyfield
56783 Blacklake (Building IX)

e.

1562-H Lilyfield
56783 Blacklake (Building IX)

f. 1562-H Lilyfield
56783 Blacklake (Building XI)
Question 6.
01:00


Mr. D. Edwardson PhD.
9334 Sunset Blv.
87654 Mountain Grove
Telephone: 0632-3958011
Fax: 0632-3958022
Mrs. S.H. Zanzitski MD
21132 Johnsonscreek Rd.
124BA Canyon Bay
Telephone: 45624-32-235678
Fax: 888-81873211
Dr. J. (Jane) Goldstein
22934 Brookstone
60432 Greenpark (App. 12)
Telephone: 824-2245131-15
Fax: 824-2246131-16
Ms. F.A. Fairweather
1562-H Lilyfield
56783 Blacklake (Building IX)
Telephone: 12335-82561-1
Fax: 12335-82561-1


What are the last 5 digits of Mr. Edwardson's fax number?
a. 58002
b. 85022
c. 58022
d. 50822
e. 58202
f. 58220
g. 58822
h. 50802
Question 7.
01:00


Mr. D. Edwardson PhD.
9334 Sunset Blv.
87654 Mountain Grove
Telephone: 0632-3958011
Fax: 0632-3958022
Mrs. S.H. Zanzitski MD
21132 Johnsonscreek Rd.
124BA Canyon Bay
Telephone: 45624-32-235678
Fax: 888-81873211
Dr. J. (Jane) Goldstein
22934 Brookstone
60432 Greenpark (App. 12)
Telephone: 824-2245131-15
Fax: 824-2246131-16
Ms. F.A. Fairweather
1562-H Lilyfield
56783 Blacklake (Building IX)
Telephone: 12335-82561-1
Fax: 12335-82561-1


What are the four correctly spelled last names in the table?
a. Zanzitski , Edwardson , Fairweather and Goldstien
b. Edwardson , Fairweather , Goldstein and Zanzinski
c. Goldstein , Zanzitski , Edwardson and Fairweather
d. Edwardsson , Zanzitski , Fairweather and Goldstein
e. Goldstein , Zanzitski , Edwardson and Fairyweather
f. Fairweather , Endwardson , Goldstein and Zanzitski
Question 8.
01:00


Mr. D. Edwardson PhD.
9334 Sunset Blv.
87654 Mountain Grove
Telephone: 0632-3958011
Fax: 0632-3958022
Mrs. S.H. Zanzitski MD
21132 Johnsonscreek Rd.
124BA Canyon Bay
Telephone: 45624-32-235678
Fax: 888-81873211
Dr. J. (Jane) Goldstein
22934 Brookstone
60432 Greenpark (App. 12)
Telephone: 824-2245131-15
Fax: 824-2246131-16
Ms. F.A. Fairweather
1562-H Lilyfield
56783 Blacklake (Building IX)
Telephone: 12335-82561-1
Fax: 12335-82561-1


Whose personal information below has an error?
a.

Mr. D. Edwardson PhD.
9334 Sunset Blv.
87654 Mountain Grove
Telephone: 0632-3958011
Fax: 0632-3958022

b.

Mrs. S.H. Zanzitski MD
21132 Johnsonscreek Rd.
124BA Canyon Bay
Telephone: 45624-32-235678
Fax: 888-81873211

c.

Dr. J. (Jane) Goldstein
22934 Brockstone
60432 Greenpark (App. 12)
Telephone: 824-2245131-15
Fax: 824-2246131-16

d.

Ms. F.A. Fairweather
1562-H Lilyfield
56783 Blacklake (Building IX)
Telephone: 12335-82561-1
Fax: 12335-82561-1

What is the Error Checking Practice?

Error-checking practice is a quick yet powerful exercise to sharpen your attention to detail and ability to spot mistakes in datasets or text. The questions often involve comparing the original text and information with a list of multiple choices to identify the one that perfectly matches.

At first glance, the original information and the options provided look very similar. However, subtle differences, such as swapped elements or slight alterations like double letters, are included in a list of possible answers (except for the correct one(s)). Your task here is to determine which choice correctly matches the original or, in some cases, maybe to find one that deviates from the given text or data.

It’s worth noting that the texts or datasets will usually include both alphabetical and numerical characters to assess your ability in both areas, and there can be a time limit for completing the questions. However, in the above practice, there’s no time limit, so you do not need to rush through the test.

Benefits of the Practice

This type of exercise not only enhances your observational, analytical, and error-checking skills but also trains your cognitive precision, likely making it a handy tool for those looking to boost accuracy in not just IQ test performance but also everyday tasks.

In fact, error-checking tests are often used in recruitment for roles requiring high precision and attention to detail, such as administrative positions and data entry specialists.

Note: This practice test is for practice purposes only and does not reflect the format, structure, or types of questions found in actual assessments.

To summarize, the free online error-checking practice is a simple yet effective tool for quickly testing your attention to detail and ability to identify errors. If you're interested in self-discovery, exploring other skills, or sharpening your abilities in numerical, spatial, abstract reasoning, and more, try other free IQ practice tests focusing on particular areas of your cognitive capabilities.