THE JOB TESTS · SASFLYNET KFT. · FREE PRACTICE GUIDE

Numerical Reasoning Practice: practice, explain, check

Practise percentages, rates and checking small data summaries. There is no compulsory timer. This set provides worked arithmetic, not an aptitude percentile.

This original 12-question practice set describes only the sampled questions. It is not a validated proficiency level, aptitude percentile, language certificate or hiring recommendation. All examples and data are fictional.

Your seven-day plan

  1. Days 1–2: Percentages and change

    Compare an original and new value. Write the percentage-change denominator before calculating, then check a discount and a percentage-point difference.

  2. Days 3–4: Rates and ratios

    Write units beside each number. Use a simple ratio or rate, then check whether the quantities refer to one person, the whole team or an hour.

  3. Days 5–6: Data summaries

    Make a three-row fictional table. Calculate a mean, a total and a weighted rate; explain why averaging percentages can give a different answer.

  4. Day 7: check independently

    Try one changed example from each topic without the guide. Repeating the same questions can reflect familiarity; use a new example to check transfer.

1. Sales rise from 80 to 100. What is the percentage increase?

My answer and reasoning:

Worked answer

25%

The increase is 20. Divide by the original 80: 20/80 × 100 = 25%.

2. A price of €60 is reduced by 15%. What is the new price?

My answer and reasoning:

Worked answer

€51

The discount is 60 × 0.15 = 9; the new price is 60 − 9 = 51.

3. A success rate moves from 40% to 50%. What is the increase in percentage points?

My answer and reasoning:

Worked answer

10 percentage points

Subtract the two rates: 50 − 40 = 10 percentage points. The relative increase would be 25%, a different quantity.

4. Sales fall from 200 to 150. What is the percentage decrease?

My answer and reasoning:

Worked answer

25%

The fall is 50 relative to the original 200: 50/200 × 100 = 25%.

5. A team completes 48 records in 3 hours at a constant rate. How many records per hour?

My answer and reasoning:

Worked answer

16

Divide the completed records by elapsed hours: 48/3 = 16 records per hour.

6. Red and blue items are in a ratio of 2:3. There are 40 items altogether. How many are red?

My answer and reasoning:

Worked answer

16

There are 5 ratio parts. Each part is 40/5 = 8; red has 2 parts, so 16.

7. Four equally productive workers make 80 units per hour altogether. At the same individual rate, two workers make how many units per hour?

My answer and reasoning:

Worked answer

40

Each worker contributes 80/4 = 20 units per hour. Two workers contribute 40.

8. A journey of 90 km takes 1.5 hours. What is the average speed?

My answer and reasoning:

Worked answer

60 km/h

Average speed equals distance divided by time: 90/1.5 = 60 km/h.

9. Daily counts are 10, 20 and 30. What is their arithmetic mean?

My answer and reasoning:

Worked answer

20

Add the three counts and divide by three: (10+20+30)/3 = 20.

10. Group A has 10 people and 8 passes. Group B has 30 people and 12 passes. What is the combined pass rate?

My answer and reasoning:

Worked answer

50%

There are 20 passes among 40 people, so 20/40 = 50%. An unweighted average of group rates would be misleading here.

11. Revenue is €500 and total cost is €350. What amount remains after subtracting cost?

My answer and reasoning:

Worked answer

€150

Subtract the cost from revenue: 500 − 350 = 150. The question asks for an amount, not a margin percentage.

12. A table lists Q1 = 120, Q2 = 150 and Q3 = 130. What is their combined total?

My answer and reasoning:

Worked answer

400

Add all three periods: 120 + 150 + 130 = 400.

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