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Zacznij od lekcji Numerical Reasoning Course: Lessons: ok. 180 min czytania. Każde pytanie testowe jest omówione w lekcjach.
Pytanie 1 z 18
The table shows monthly sales by region. Which region had the highest sales in March? Region Jan Feb Mar Apr North $42,500 $39,800 $45,200 $47,900 South $38,200 $41,600 $44,900 $43,100 East $51,300 $48,700 $46,500 $52,800 West $29,400 $31,200 $33,600 $35,800
Pokaż odpowiedź Odpowiedź: B. East
Read down the Mar column: East $46,500, North $45,200, South $44,900, West $33,600. East is highest.
Pytanie 2 z 18
The table shows monthly sales by region. What were total North sales from January to April? Region Jan Feb Mar Apr North $42,500 $39,800 $45,200 $47,900 South $38,200 $41,600 $44,900 $43,100 East $51,300 $48,700 $46,500 $52,800 West $29,400 $31,200 $33,600 $35,800
Pokaż odpowiedź Odpowiedź: D. $175,400
Add the North row: 42,500 + 39,800 + 45,200 + 47,900 = $175,400.
Pytanie 3 z 18
The table shows monthly sales by region. In January, what was the difference between the highest and lowest regional sales? Region Jan Feb Mar Apr North $42,500 $39,800 $45,200 $47,900 South $38,200 $41,600 $44,900 $43,100 East $51,300 $48,700 $46,500 $52,800 West $29,400 $31,200 $33,600 $35,800
Pokaż odpowiedź Odpowiedź: C. $21,900
Highest in January = East $51,300; lowest = West $29,400. Difference = $21,900.
Pytanie 4 z 18
The table shows monthly sales by region. What was the mean (average) monthly sales figure for the West region? Region Jan Feb Mar Apr North $42,500 $39,800 $45,200 $47,900 South $38,200 $41,600 $44,900 $43,100 East $51,300 $48,700 $46,500 $52,800 West $29,400 $31,200 $33,600 $35,800
Pokaż odpowiedź Odpowiedź: A. $32,500
Add the four months and divide by 4: $130,000 ÷ 4 = $32,500.
Pytanie 5 z 18
The table shows monthly sales by region. Which region's sales went up every month from January to April? Region Jan Feb Mar Apr North $42,500 $39,800 $45,200 $47,900 South $38,200 $41,600 $44,900 $43,100 East $51,300 $48,700 $46,500 $52,800 West $29,400 $31,200 $33,600 $35,800
Pokaż odpowiedź Odpowiedź: A. West
West rose each month (29,400 → 31,200 → 33,600 → 35,800). North and East fell in February, and South fell in April.
Pytanie 6 z 18
The table shows monthly sales by region. In which month were the combined sales of all four regions highest? Region Jan Feb Mar Apr North $42,500 $39,800 $45,200 $47,900 South $38,200 $41,600 $44,900 $43,100 East $51,300 $48,700 $46,500 $52,800 West $29,400 $31,200 $33,600 $35,800
Pokaż odpowiedź Odpowiedź: B. April
Add each month's column: Jan $161,400, Feb $161,300, Mar $170,200, Apr $179,600. April has the highest total.
Pytanie 7 z 18
The table shows monthly sales by region. What was the percentage change in East sales from January to April, to one decimal place? Region Jan Feb Mar Apr North $42,500 $39,800 $45,200 $47,900 South $38,200 $41,600 $44,900 $43,100 East $51,300 $48,700 $46,500 $52,800 West $29,400 $31,200 $33,600 $35,800
Pokaż odpowiedź Odpowiedź: B. 2.9%
Change = 52,800 − 51,300 = 1,500. 1,500 ÷ 51,300 × 100 = 2.9%.
Pytanie 8 z 18
The table shows answers to a staff survey statement: "I have the tools I need." What percentage agreed or strongly agreed? Answer Number of staff Strongly agree 72 Agree 136 Neutral 56 Disagree 40 Strongly disagree 16
Pokaż odpowiedź Odpowiedź: D. 65%
Total answers = 320. Agreed or strongly agreed = 72 + 136 = 208. 208 ÷ 320 × 100 = 65%.
Pytanie 9 z 18
The table shows answers to a staff survey statement: "I have the tools I need." What percentage of staff gave a Neutral answer? Answer Number of staff Strongly agree 72 Agree 136 Neutral 56 Disagree 40 Strongly disagree 16
Pokaż odpowiedź Odpowiedź: C. 17.5%
56 ÷ 320 × 100 = 17.5%.
Pytanie 10 z 18
The table shows answers to a staff survey statement: "I have the tools I need." What is the ratio of staff who agreed (agree + strongly agree) to staff who disagreed (disagree + strongly disagree), in simplest form? Answer Number of staff Strongly agree 72 Agree 136 Neutral 56 Disagree 40 Strongly disagree 16
Pokaż odpowiedź Odpowiedź: D. 26:7
Agreed = 208; disagreed = 56. Divide both by 8: 208:56 = 26:7. 17:5 is 136:40 simplified, which leaves out the "strongly" groups.
Pytanie 11 z 18
A line chart shows website visits per week. Its data are in the table. In which week was the increase from the week before the largest? Week Visits Week 1 1,240 Week 2 1,310 Week 3 1,580 Week 4 1,520 Week 5 1,890 Week 6 1,960
Pokaż odpowiedź Odpowiedź: A. Week 5
Changes from the week before: Week 2 +70, Week 3 +270, Week 4 −60, Week 5 +370, Week 6 +70. Week 5 rose most (+370). Week 6 has the most visits but only rose by 70.
Pytanie 12 z 18
A pie chart shows how a $240,000 yearly budget is split. Its data are in the table. How much is spent on training? Budget item Share of budget Salaries 62% Rent 15% Equipment 9% Training 6% Other 8%
Pokaż odpowiedź Odpowiedź: A. $14,400
6% of $240,000 = 0.06 × 240,000 = $14,400.
Pytanie 13 z 18
A pie chart shows how a $240,000 yearly budget is split. Its data are in the table. How much more is spent on salaries than on rent? Budget item Share of budget Salaries 62% Rent 15% Equipment 9% Training 6% Other 8%
Pokaż odpowiedź Odpowiedź: B. $112,800
Salaries − rent = 62% − 15% = 47% of the budget. 0.47 × 240,000 = $112,800.
Pytanie 14 z 18
Which type of chart is best for showing how monthly sales changed over a year? Pokaż odpowiedź Odpowiedź: A. Line chart
Line charts are used for time series, such as sales month by month.
Pytanie 15 z 18
Which type of chart is best for showing how one total budget is divided into parts? Pokaż odpowiedź Odpowiedź: B. Pie chart
A pie chart shows the parts (components) that make up a whole.
Pytanie 16 z 18
Seven staff worked these overtime hours last month: 4, 7, 12, 3, 9, 30, 6. What is the median? Pokaż odpowiedź Odpowiedź: D. 7 hours
Put the values in order: 3, 4, 6, 7, 9, 12, 30. The middle (4th) value is 7. The mean would be 10.1.
Pytanie 17 z 18
Seven staff worked these overtime hours last month: 4, 7, 12, 3, 9, 30, 6. Why might a manager report the median instead of the mean? Pokaż odpowiedź Odpowiedź: C. One very high value (30) pulls the mean up
The median is less affected by extreme values. Here the single 30-hour value raises the mean to 10.1, while the median stays at 7.
Pytanie 18 z 18
The table shows how many shifts staff worked last week. What was the mean number of shifts per staff member? Shifts worked Number of staff 3 4 4 10 5 6
Pokaż odpowiedź Odpowiedź: C. 4.1
Weight each value by how many staff: 3×4 + 4×10 + 5×6 = 82 shifts. Staff = 20. Mean = 82 ÷ 20 = 4.1.
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