Numerical Test Question 37 – Records retained after quality checks
Scenario
A department has 84,000 records in a dataset. Thirty-five per cent require an additional quality check. The check identifies 4% of that subset as duplicates, which are removed. All other records are retained.
| Record group | Share of dataset | Quality-check rule |
|---|---|---|
| Records receiving extra checks | 35% | Remove 4% of this group as duplicates |
| Other records | 65% | Retain all |
Question
How many records remain after the duplicate records are removed?
- A. 84,000
- B. 83,160
- C. 82,824
- D. 81,312
Click to reveal the answer
Correct answer: C. 82,824
Members can unlock the full worked explanation for this question, including the calculation used to reach the answer and any important interpretation or rounding step.
Join our careers service to read more...
If everyone knew the best tricks and tips then they would no longer work! That is why the best guidance is for members only.
Subscribe to open the locked section on this page and get access to the full Civil Service Careers premium library.
Get help with applications, interviews, behaviours, personal statements, CVs, tests, workplace problems, promotions, and career decisions, all written for people who want a better result.
Already subscribed? Log in