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Unit 6: Data Interpretation and Data Sufficiency - Practice Quiz

PEA306 — Analytical Skills-Ii 60 Questions
0 Correct 0 Wrong 60 Left
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1 What is the main purpose of data interpretation?

Basics of data interpretation and its types Easy
A. To increase the amount of collected data
B. To draw meaningful conclusions from data
C. To replace all numerical values with symbols
D. To arrange words in alphabetical order

2 Which of the following is a common visual method of presenting data?

Basics of data interpretation and its types Easy
A. Footnote
B. Bar graph
C. Paragraph
D. Glossary

3 Which activity is usually performed first when interpreting a graph?

Basics of data interpretation and its types Easy
A. Reading the title
B. Ignoring the labels
C. Changing the values
D. Calculating every possible difference before examining what the graph represents

4 What is a tabular presentation of data?

Tabulation Easy
A. Data written as a continuous paragraph
B. Data shown only through pictures
C. Data displayed without headings or labels
D. Data arranged in rows and columns

5 In a table, what is the intersection of a row and a column called?

Tabulation Easy
A. Scale
B. Cell
C. Sector
D. Axis

6 A table shows 12 students in Class A and 15 students in Class B. How many students are there in total?

Tabulation Easy
A. 27
B. 28
C. 25
D. 26

7 Which part of a table explains what each column represents?

Tabulation Easy
A. Table border
B. A detailed paragraph placed below every individual numerical entry
C. Data source
D. Column heading

8 What do the lengths or heights of bars in a bar graph represent?

Bar graph Easy
A. Source descriptions
B. Graph titles
C. Data values
D. Category names

9 In a standard bar graph, the bars usually have:

Bar graph Easy
A. Unequal widths and unequal gaps
B. Equal widths with no gaps
C. Equal widths and equal gaps
D. Different shapes based on the size of each category

10 A bar graph shows sales of 20 books on Monday and 30 books on Tuesday. How many more books were sold on Tuesday?

Bar graph Easy
A. 5 books
B. 50 books
C. 10 books
D. 20 books

11 Which type of bar graph uses two bars for each category to compare two related data sets?

Bar graph Easy
A. Single bar graph
B. Circular bar graph
C. Double bar graph
D. A continuous bar graph with several connected points and no category gaps

12 What does a complete pie chart represent?

Pie chart Easy
A. One-half of the data
B. Only the largest data category
C. One-fourth of the data
D. The whole data set

13 What is the total angle around the center of a pie chart?

Pie chart Easy
A.
B.
C.
D.

14 A sector represents of a pie chart. What is its central angle?

Pie chart Easy
A.
B.
C.
D.

15 A line graph is most commonly used to display:

Line graph Easy
A. Changes over time
B. Parts of a whole
C. Words in a passage
D. Categories with no measurable numerical values

16 What is usually done to consecutive data points in a line graph?

Line graph Easy
A. They are placed in separate tables with detailed written descriptions
B. They are converted into sectors
C. They are connected
D. They are erased

17 If a line rises from left to right, what does it generally indicate?

Line graph Easy
A. The value has not been recorded
B. The value is increasing
C. The value is unchanged
D. The value is decreasing

18 What is checked in a data sufficiency question?

Checking sufficiency of data Easy
A. Whether the question contains the largest possible numerical value
B. Whether all statements use exactly the same number of words
C. Whether the given information is enough to answer the question
D. Whether every number can be displayed using a colorful graph

19 What is the value of ? Statement: . Is the statement sufficient?

Checking sufficiency of data Easy
A. Yes, because
B. No, because two equations are always required
C. No, because the value can be any positive number
D. Yes, because

20 What is the age of Ravi? Statement: Ravi is older than 10 years. Is the statement sufficient?

Checking sufficiency of data Easy
A. Yes, because Ravi is 10 years old
B. No, because a person's age cannot be represented using numerical information
C. No, because many ages can be greater than 10
D. Yes, because Ravi is 11 years old

21 A company wants to compare its monthly sales over two years and identify seasonal patterns. Which type of data presentation is most appropriate?

Basics of data interpretation and its types Medium
A. A line graph with one line for each year
B. A table containing only annual sales totals
C. A pie chart with one sector for each month
D. A bar graph showing the two annual averages

22 The number of visitors to a museum increased from to . What is the percentage increase in visitors?

Basics of data interpretation and its types Medium
A.
B.
C.
D.

23 Two graphs show the same increase in revenue from lakh to lakh. Graph I uses a vertical axis starting at , while Graph II starts at lakh. Which interpretation is correct?

Basics of data interpretation and its types Medium
A. Graph I exaggerates the increase more than Graph II
B. Graph II visually exaggerates the increase in revenue
C. Neither graph can represent the given revenue values
D. Both graphs show different numerical increases in revenue

24 The table shows the units produced by four factories.

| Factory | 2023 | 2024 |
|---|---:|---:|
| P | 480 | 600 |
| Q | 750 | 825 |
| R | 640 | 800 |
| S | 900 | 990 |

Which factory recorded the greatest percentage increase from 2023 to 2024?

Tabulation Medium
A. Factory R
B. Factory Q
C. Factory P
D. Factory S

25 The table shows the number of students and their average marks in three sections.

| Section | Students | Average marks |
|---|---:|---:|
| A | 30 | 72 |
| B | 40 | 68 |
| C | 50 | 76 |

What is the combined average mark of all students?

Tabulation Medium
A.
B.
C.
D.

26 The table gives revenue and expenditure for three branches.

| Branch | Revenue ( lakh) | Expenditure ( lakh) |
|---|---:|---:|
| X | 120 | 90 |
| Y | 150 | 105 |
| Z | 180 | 144 |

Which branch has the highest profit as a percentage of expenditure?

Tabulation Medium
A. Branch Y
B. Branches X and Z
C. Branch Z
D. Branch X

27 A survey table classifies customers by payment method. Cash users are , card users are , and the remaining customers use digital wallets. How many customers use digital wallets?

Tabulation Medium
A. customers
B. customers
C. customers
D. customers

28 A grouped bar graph shows that Store A sold , , and units in January, February, and March. Store B sold , , and units in the same months. By what percentage did the combined sales of Store A exceed those of Store B?

Bar graph Medium
A.
B.
C.
D.

29 A bar graph shows the populations of Town P and Town Q as and , respectively. The population of Town P is what percentage less than that of Town Q?

Bar graph Medium
A.
B.
C.
D.

30 A stacked bar graph shows a company's employees. In 2023, there were technical and non-technical employees. In 2024, there were technical and non-technical employees. What was the percentage increase in the total workforce?

Bar graph Medium
A.
B.
C.
D.

31 In a pie chart representing a monthly budget of , the sector for rent has an angle of . How much is spent on rent?

Pie chart Medium
A.
B.
C.
D.

32 A pie chart divides students among four clubs. The Science Club sector is , the Sports Club sector is , and the Arts Club sector is . How many students belong to the remaining club?

Pie chart Medium
A. students
B. students
C. students
D. students

33 Two pie charts show a company's expenditure. Total expenditure was crore in 2023 and crore in 2024. Advertising accounted for in 2023 and in 2024. By what percentage did advertising expenditure increase?

Pie chart Medium
A.
B.
C.
D.

34 A line graph shows a company's profit as , , , and lakh from 2021 to 2024. What was the average annual change in profit over the three intervals?

Line graph Medium
A. lakh
B. lakh
C. lakh
D. lakh

35 A line graph shows that the price of a commodity rose from per unit in January to in February, then fell to in March. What was the overall percentage change from January to March?

Line graph Medium
A. A increase
B. An increase
C. A increase
D. A increase

36 A line graph records water consumption as , , , , and litres from Monday to Friday. On which day was the percentage increase from the previous day the greatest?

Line graph Medium
A. Thursday
B. Friday
C. Wednesday
D. Tuesday

37 What is the value of the real number ?

Statement I: .

Statement II: .

Checking sufficiency of data Medium
A. Statement I alone is sufficient, but Statement II alone is not sufficient
B. Statement II alone is sufficient, but Statement I alone is not sufficient
C. Even both statements together are not sufficient
D. Both statements together are sufficient, but neither alone is sufficient

38 What is the area of a rectangle?

Statement I: Its perimeter is cm.

Statement II: Its length is cm and its width is cm.

Checking sufficiency of data Medium
A. Even both statements together are not sufficient
B. Statement I alone is sufficient, but Statement II alone is not sufficient
C. Statement II alone is sufficient, but Statement I alone is not sufficient
D. Both statements together are sufficient, but neither alone is sufficient

39 Is the positive integer divisible by ?

Statement I: is divisible by .

Statement II: is divisible by .

Checking sufficiency of data Medium
A. Even both statements together are not sufficient
B. Statement I alone is sufficient, but Statement II alone is not sufficient
C. Both statements together are sufficient, but neither alone is sufficient
D. Statement II alone is sufficient, but Statement I alone is not sufficient

40 What is the value of the real number ?

Statement I: .

Statement II: .

Checking sufficiency of data Medium
A. Statement I alone is sufficient, but Statement II alone is not sufficient
B. Even both statements together are not sufficient
C. Both statements together are sufficient, but neither alone is sufficient
D. Statement II alone is sufficient, but Statement I alone is not sufficient

41 A company records the number of customer complaints received from four regions during each month of a year. Which form of data presentation is most suitable for comparing both regional differences and month-to-month trends simultaneously?

Basics of data interpretation and its types Hard
A. A one-dimensional frequency table
B. A single-sector pie chart
C. A simple bar graph of annual totals
D. A two-way table with months and regions

42 A university tabulates candidates as follows: 200 registered with a 68% pass rate, 250 registered with a 72% pass rate, 300 registered with a 54% pass rate, and 240 registered with a 75% pass rate. What is the overall failure rate?

Tabulation Hard
A.
B.
C.
D.

43 A grouped bar graph shows the following sales and costs for three branches: P has sales and costs , Q has sales and costs , and R has sales and costs , all in thousands. What is the combined profit margin?

Bar graph Hard
A.
B.
C.
D.

44 A company's annual expenditure of lakh is represented by a pie chart. Salaries, rent, utilities, transport, and other expenses subtend angles of , , , , and , respectively. If salaries decrease by and rent increases by , while all other expenses remain unchanged, what is the new angle for rent?

Pie chart Hard
A.
B.
C.
D.

45 A line graph records monthly production as follows: January , February , March , April , May , and June . What is the percentage increase in production from January to June?

Line graph Hard
A.
B.
C.
D.

46 Is the product uniquely determined? (1) . (2) .

Checking sufficiency of data Hard
A. Even both statements together are insufficient
B. Statement 2 alone is sufficient
C. Statement 1 alone is sufficient
D. Both statements together are sufficient

47 Is the positive integer divisible by ? (1) is divisible by . (2) is divisible by .

Checking sufficiency of data Hard
A. Statement 1 alone is sufficient
B. Both statements together are sufficient
C. Statement 2 alone is sufficient
D. Each statement alone is sufficient

48 Is ? (1) . (2) .

Checking sufficiency of data Hard
A. Both statements together are sufficient
B. Statement 1 alone is sufficient
C. Even both statements together are insufficient
D. Statement 2 alone is sufficient

49 A bar graph shows annual revenue of , , , and lakh in four successive years. What is the compound annual growth rate over the three-year interval?

Bar graph Hard
A.
B.
C.
D.

50 A pie chart represents the distribution of employees among four departments. The angles for A, B, C, and D are , , , and . If of A and of B are transferred to C, what percentage of the revised workforce belongs to C?

Pie chart Hard
A.
B.
C.
D.

51 A line graph gives the number of defective items in five consecutive months as , , , , and , while monthly production is , , , , and , respectively. In which month is the defect rate highest?

Line graph Hard
A. Month 1
B. Month 3
C. Month 4
D. Month 2

52 A table lists quantities sold and selling prices for three products: P, units at each; Q, units at each; and R, units at each. If discounts reduce the revenues from P, Q, and R by , , and , respectively, what percentage of the total discounted revenue comes from Q?

Tabulation Hard
A.
B.
C. $33.6\%
D.

53 A dataset compares the average income of two groups. Group A has members with average income , while Group B has members with average income . Which conclusion is valid?

Basics of data interpretation and its types Hard
A. The combined average is
B. The combined average is
C. The combined average is
D. The combined average is

54 A stacked bar graph shows total applications and rejected applications for three years: Year 1 has total and rejected, Year 2 has total and rejected, and Year 3 has total and rejected. What is the percentage increase in accepted applications from Year 1 to Year 3?

Bar graph Hard
A.
B.
C.
D.

55 In a pie chart of household spending, food represents , housing , education , transport , and other expenses . If total spending is $48,000 and food rises by $20\%$ while housing falls by $10\%$, with all other categories unchanged, what percentage is spent on food after revision?

Pie chart Hard
A.
B.
C.
D. $37.5\%

56 A line graph shows a company's quarterly profit in lakh as , , , and . What is the percentage difference between the highest and lowest quarterly profits, measured relative to the lowest profit?

Line graph Hard
A.
B.
C. $60.0\%
D.

57 What is the area of a rectangle? (1) Its perimeter is cm. (2) Its diagonal is cm.

Checking sufficiency of data Hard
A. Statement 1 alone is sufficient
B. Both statements together are sufficient
C. Statement 2 alone is sufficient
D. Even both statements together are insufficient

58 Is the integer even? (1) is divisible by . (2) is odd.

Checking sufficiency of data Hard
A. Each statement alone is insufficient
B. Both statements together are required
C. Statement 2 alone is sufficient
D. Statement 1 alone is sufficient

59 A table records exports in three years: Year 1 has volume units at each, Year 2 has units at each, and Year 3 has units at each. What is the percentage increase in total export value from Year 1 to Year 3?

Tabulation Hard
A.
B.
C.
D.

60 A survey records satisfaction scores from two branches. Branch A has respondents with average score , and Branch B has respondents with average score . If respondents from A are found to have been incorrectly included and their average score was , what is the corrected combined average?

Basics of data interpretation and its types Hard
A.
B.
C.
D.
Previous MCQ
Unit 5