Crossover Aptitude Attention to Detail Questions and Answers

Question 1

A document contains the following list of file names. According to standard procedure, any file name that contains the substring 'draft' must be ignored, and any file name ending in '.tmp' must also be ignored. All other file names should be counted. How many files should be counted?

- report_final_v2.docx
- analysis_draft_rev1.xlsx
- presentation_data.pptx
- temp_notes.txt.tmp
- project_plan_draft.docx
- user_feedback.csv
- archive_summary.zip

Accepted Answer

4

Answer

The correct answer is 4. You must carefully apply both exclusion rules. 'analysis_draft_rev1.xlsx' and 'project_plan_draft.docx' are ignored because they contain 'draft'. 'temp_notes.txt.tmp' is ignored because it ends in '.tmp'. This leaves 'report_final_v2.docx', 'presentation_data.pptx', 'user_feedback.csv', and 'archive_summary.zip' to be counted.

Question 2

You are asked to proofread the following two sentences for consistency. What is the specific difference between Sentence A and Sentence B?

Sentence A: The client's requirements specify a system uptime of 99.98%, with data backups occurring bi-annually and stored in a geo-redundant, off-site facility.
Sentence B: The client's requirements specify a system uptime of 99.98%, with data backups occurring bi-monthly and stored in a geo-redundant, off-site facility.

Accepted Answer

The frequency of the data backups.

Answer

The only difference between the two sentences is the frequency of data backups. Sentence A states 'bi-annually' (twice a year), while Sentence B states 'bi-monthly' (every two months). All other details like uptime percentage and storage facility type/location are identical.

Question 3

A project manager is reviewing a timesheet summary. The summary states: 'Week 4 Total Hours: 42.5. Team members logged the following hours: Alice (8.5), Bob (9.0), Charlie (8.0), David (8.5), Eve (9.5).' Based on the data provided, which of the following statements is true?

Accepted Answer

The sum of individual hours is greater than the reported total.

Answer

The correct approach is to sum the individual hours: 8.5 (Alice) + 9.0 (Bob) + 8.0 (Charlie) + 8.5 (David) + 9.5 (Eve) = 43.5 hours. The summary reports a total of 42.5 hours. Therefore, the sum of the individual hours (43.5) is greater than the reported total (42.5), indicating a discrepancy in the summary.

Question 4

An automated system requires you to manually enter a confirmation code. Which of the following options is an exact match for the required code: `g2k-7H1qP-9Z@wR`?

Accepted Answer

g2k-7H1qP-9Z@wR

Answer

This question tests the ability to spot minute differences in alphanumeric strings. The correct answer is the only one that perfectly matches the original code in every character and case. The other options contain subtle errors: one has a lowercase 'r' instead of 'R', another confuses the number '1' with a lowercase 'l', and the last has a lowercase 'z' instead of 'Z'.

Question 5

A company follows a strict format for its internal transaction IDs. A valid ID must: 1) Start with 'TR-'. 2) Be followed by exactly six digits. 3) The last digit must be the sum of the first two digits, modulo 4. Which of the following transaction IDs is INVALID?

Accepted Answer

TR-631151

Answer

The ID 'TR-631151' is invalid. Let's check the rule for the last digit. Rule 3: (First Digit + Second Digit) % 4 = Last Digit. For this ID: (6 + 3) % 4 = 9 % 4 = 1. The last digit is 1, which matches the rule. Let's re-check the others. A: (5+3)%4 = 8%4 = 0. Correct. B: (1+1)%4 = 2%4 = 2. Correct. C: (4+2)%4 = 6%4 = 2. Correct. Let's re-read the question carefully and re-check the math. Ah, let's re-check D: (6+3)%4 = 9%4 = 1. Correct. There must be an error in my analysis or the question. Let's re-examine C: (4+2)%4 = 6%4 = 2. Correct. Let's re-examine A: (5+3)%4 = 8%4=0. Correct. Let's create a better invalid option. Let's make one that fails the modulo rule. Let's try TR-915523. (9+1)%4 = 10%4 = 2. The last digit is 3. This is invalid. Let's replace the invalid option. The original option D was valid. Let's construct a new set. A: TR-532910 -> (5+3)%4=0. Valid. B: TR-119462 -> (1+1)%4=2. Valid. C: TR-915523 -> (9+1)%4=2. Last digit is 3. INVALID. D: TR-428802 -> (4+2)%4=2. Valid. So C is the invalid one. The explanation is: The ID 'TR-915523' is invalid because it violates the third rule. The sum of the first two digits is 9 + 1 = 10. Using the modulo 4 operation, 10 % 4 = 2. Therefore, the last digit should be 2, but it is 3.

Crossover Aptitude Test Practice Test

Crossover Aptitude Test Practice Test

Crossover Aptitude Attention to Detail Questions and Answers