Data Interpretation — Civil Service Exam Practice Questions

200 free civil service exam reviewer questions on Data Interpretation (Numerical Ability), each with the correct answer and a worked solution.

1. The combined Q3 sales of both branches make up what percent of their combined annual sales?
2. What was the percent increase in the Makati branch's sales from Q1 to Q4?
3. By how much did the Cebu branch's sales increase from Q1 to Q4?
4. What were the total annual sales of the Makati branch?
5. In which quarter did the Cebu branch have HIGHER sales than the Makati branch?
6. If next year every province's DRY-season production rises by 20% while wet-season production stays the same, what will the combined total…
7. Pangasinan's total production is what percent of Nueva Ecija's total production?
8. What percent of Isabela's total production came from the wet season?
9. What was the total DRY-season production of the four provinces?
10. Which province had the HIGHEST total palay production?
11. In June, the household's savings were what percent of its income?
12. What were the average monthly expenses for the six months?
13. What were the household's total savings from January to June?
14. In which month was the difference between income and expenses the GREATEST?
15. In which month were the household's expenses the HIGHEST?
16. What is the overall population density of the five barangays combined?
17. What percent of the total population of the five barangays lives in Poblacion?
18. What is the average number of persons per household in Malanday (rounded to two decimal places)?
19. What is the population density of San Roque?
20. Which barangay has the LARGEST population?
21. Utilities and transport together make up what percent of the salary that is NOT saved?
22. If the salary increases to ₱24,000 and the same percentage is saved, how much MORE will be saved each month than before?
23. How much more is spent on food than on transport each month?
24. How much of the salary goes to rent each month?
25. On which item does the employee spend the LARGEST share of the salary?
26. Using the class midpoints (62, 67, 72, …, 92), what is the estimated mean score?
27. What percent of the examinees scored from 70 to 84?
28. How many examinees scored BELOW 70?
29. How many examinees scored 80 or higher?
30. Which score class has the MOST examinees?
31. Among the reviewees who studied AT LEAST 6 hours, what percent scored 85 or higher?
32. From Ana to Hazel, what is the average increase in score for each additional hour of study?
33. What is the average exam score of the eight reviewees?
34. Which reviewee studied MORE hours than the reviewee before him or her but got a LOWER score?
35. Which reviewee got the HIGHEST exam score?
36. By how much did total tourist spending in Q4 exceed that in Q1?
37. What was the total tourist spending in Q4?
38. What was the percent DECREASE in tourist arrivals from Q1 to Q3?
39. What was the total number of tourist arrivals for the year?
40. In which quarter were tourist arrivals the LOWEST?
41. The target is 50,000 vaccinated persons. If vaccinations continue at the same number as in Week 6, how many MORE weeks are needed to reach…
42. What was the average number of persons vaccinated per week over the six weeks (to the nearest whole number)?
43. In which week were the MOST persons vaccinated?
44. How many persons were vaccinated during Week 3 ALONE?
45. How many persons had been vaccinated by the end of Week 6?
46. What percent of ALL 900 respondents prefer card payments?
47. How many respondents in ALL age groups combined prefer cash?
48. By how many percentage points is the e-wallet share of the 18–30 group higher than that of the 46–60 group?
49. How many respondents aged 18–30 prefer e-wallet payments?
50. Which age group has the HIGHEST percentage of respondents who prefer cash?
51. July sales are projected to be 10% higher than the average of April, May and June. What are the projected July sales?
52. What was the percent increase in sales from March to April?
53. What were the average monthly sales for the six months (to the nearest centavo)?
54. What were the total sales from January to June?
55. In which month were sales the HIGHEST?
56. By how many millimeters does the average monthly rainfall of May–June exceed that of January–April?
57. What percent of the six-month rainfall fell in May and June?
58. June's rainfall is about how many times January's rainfall?
59. What was the total rainfall from January to June?
60. Between which two consecutive months did rainfall increase the MOST?
61. What is the ratio of the amount spent on housing to the amount spent on education?
62. If the income rises to ₱48,000 but the family saves the SAME AMOUNT as before, what percent of the new income is saved?
63. How much is spent on transport and utilities combined?
64. How much does the family spend on food each month?
65. Which item takes the SECOND-largest share of the budget?
66. The ICT score is what percent HIGHER than the History score?
67. To reach an average of 85 in the five subjects, how many more total points does the student need?
68. In how many subjects is the score ABOVE the student's average?
69. What is the student's average score in the five subjects?
70. In which subject did the student get the LOWEST score?
71. If the population grows from 2025 to 2026 at the same RATE as from 2024 to 2025, what will the 2026 population be (to the nearest whole…
72. What was the percent growth of the population from 2021 to 2025?
73. What was the average annual increase from 2021 to 2025?
74. By how much did the population increase from 2021 to 2025?
75. In which year was the increase over the previous year the LARGEST?
76. If each visitor spends an average of ₱350, how much more revenue did the store earn on Saturday than on Monday?
77. What was the average number of visitors per WEEKDAY (Monday to Friday)?
78. What percent of the week's visitors came on the weekend (Saturday and Sunday)?
79. What was the total number of visitors for the week?
80. On which day did the store have the MOST visitors?
81. What is the ratio of respondents preferring motorcycles and tricycles combined to those preferring jeepneys and buses combined?
82. If 30% of the jeepney riders switch to the bus, what will the bus's new share be?
83. How many MORE respondents prefer the jeepney than walking?
84. How many respondents prefer the tricycle?
85. Which is the SECOND most preferred mode of transport?
86. On how many days was the high temperature HIGHER than on the previous day?
87. What is the MEDIAN daily high temperature for the week?
88. What was the range of the daily high temperatures?
89. What was the average daily high temperature for the week?
90. On which day was the high temperature HIGHEST?
91. If Shift B increases its output by 20%, what will the new total output be?
92. The target is 450 units per shift. What is the combined shortfall of the shifts that missed the target?
93. Shift C's output is what percent of the total output?
94. What was the total output of the three shifts?
95. Which shift produced the FEWEST units?
96. Water costs ₱28 per cubic meter. What is the total cost for the weeks in which consumption was ABOVE 95 m³?
97. What was the percent increase in consumption from Week 1 to Week 6?
98. What was the average weekly consumption?
99. What was the total water consumption for the six weeks?
100. In which week was water consumption the HIGHEST?
101. What is the ratio of Technology books to Reference books in lowest terms?
102. If the library adds 90 Science books, Science books will make up what percent of the new total?
103. What percent of the books are fiction?
104. How many books does the library have in all?
105. Which category has the MOST books?
106. What was the percent DECREASE in electricity use from May to June?
107. At ₱11.50 per kWh, what was the electricity bill for May?
108. By how many kWh did use increase from February to May?
109. What was the total electricity use from January to June?
110. In which month was electricity use the LOWEST?
111. Which farm produced the LARGEST total harvest?
112. What was the TOTAL harvest of all four farms?
113. What is the simple average of the four farms' yields per hectare?
114. What is the difference between the highest and the lowest yields per hectare?
115. Which farm had the HIGHEST yield per hectare?
116. What is the central angle of the desktop slice of the pie chart?
117. Next month, total orders are expected to rise by 20% and the mobile share to rise to 70%. How many mobile orders are expected?
118. How many MORE orders came from desktops than from tablets?
119. How many orders were made using mobile devices?
120. Which device was used for the FEWEST orders?
121. What is the percent decrease in enrollment from Grade 8 to Grade 12?
122. What is the average enrollment per grade in Junior High School (Grades 7 to 10)?
123. What percent of the students are in Senior High School (Grades 11 and 12)?
124. What is the total enrollment from Grade 7 to Grade 12?
125. Which grade level has the MOST students?
126. If the balance keeps growing by the same amount as from May to June each month, in which month will it FIRST exceed ₱4,500?
127. What was the percent increase in the balance from March to June?
128. What was the average monthly increase in the balance from January to June?
129. By how much did the balance increase from January to June?
130. In which month did the savings balance DECREASE?
131. Each visit costs the clinic ₱450. How much more did the clinic spend on visits by the 36–50 group than by the 13–19 group?
132. What percent of the visits were made by persons aged 19 and below?
133. How many visits were made by persons aged 51 and above?
134. What was the total number of clinic visits?
135. Which age group made the MOST visits?
136. Which product earned the HIGHEST sales revenue for the week?
137. Rice accounts for what percent of all units sold?
138. How many more units of rice than coffee were sold?
139. How many units were sold in all?
140. Which product sold the FEWEST units?
141. By what percent does Team B's average exceed the standard 40-hour work week?
142. Team A has 8 members and Team B has 6 members. What is the combined total of weekly work hours of the two teams?
143. How many more hours per week does a Team B member work than a Team C member?
144. What is the average of the four teams' weekly hours?
145. Which team works the MOST hours per member?
146. How many MORE respondents rated High than rated Low?
147. What is the ratio of satisfied respondents (High and Very high) to dissatisfied respondents (Very low and Low)?
148. How many of the 650 respondents gave a Neutral rating?
149. What percent of respondents rated the office High or Very high?
150. Which rating was given MOST often?
151. What is the sex ratio of the barangay (number of males per 100 females)?
152. The dependency ratio = (persons aged 0–14 and 60+) ÷ (persons aged 15–59) × 100. What is the barangay's dependency ratio?
153. What percent of the population is aged 60 and above?
154. What is the total population of the barangay?
155. In which age group is the difference between the number of males and females the GREATEST?
156. In 2023, School A's enrollment was what percent of the combined enrollment of the three schools?
157. What was the percent growth of School C's enrollment from 2021 to 2025?
158. What was the combined enrollment of the three schools in 2025?
159. In which year did School C's enrollment FIRST exceed School B's?
160. Which school's enrollment DECREASED every year?
161. If infrastructure spending had been cut by 25%, what would the ending balance have been?
162. Total expenses were what percent of the funds available (starting balance plus income)?
163. What was the ending balance?
164. What was the total income for the year (excluding the starting balance)?
165. Which expense was the LARGEST?
166. What was the average number of passers per quarter in Region IV-A?
167. What percent of all the year's passers came from NCR?
168. Which region had the FEWEST passers for the whole year?
169. How many passers were there in Q3 across the four regions?
170. Which region and quarter had the MOST passers?
171. What is the average length of stay of ALL tourists in the five destinations combined (to two decimal places)?
172. Which destination had the MOST tourist-nights (the largest bubble)?
173. How many tourist-nights did Palawan record?
174. Which destination had the MOST tourist arrivals?
175. Which destination had the LONGEST average stay?
176. San Jose received what percent of all the rice distributed?
177. If each family in Rizal received 2.5 sacks, how many families in Rizal were served?
178. How many sacks were distributed in all?
179. How many sacks did Poblacion receive?
180. Which barangay received the MOST sacks of rice?
181. If the foundation is delayed by 2 weeks and every task after it is pushed back by the same 2 weeks, in which week will the project end?
182. In how many weeks are TWO tasks scheduled at the same time?
183. Which tasks are ongoing during week 10?
184. How many weeks does the whole project take?
185. Which task takes the LONGEST time?
186. If complaints about long waiting time are cut in half next year and all others stay the same, what percent of all complaints will be about…
187. What is the SMALLEST number of complaint types that together account for at least 80% of all complaints?
188. What cumulative percent of complaints do the top TWO types account for?
189. What percent of all complaints were about long waiting time?
190. What was the MOST common type of complaint?
191. By what percent did renewable generation grow from 2021 to 2025?
192. What share of the 2025 total came from renewables?
193. In which year did renewables FIRST generate MORE electricity than natural gas?
194. What was the TOTAL electricity generated in 2025?
195. Which source's generation INCREASED every year?
196. By what percent does a Metro Manila engineer's salary exceed a Cebu engineer's salary?
197. What is the combined MONTHLY payroll of 10 nurses and 15 clerks in Cebu?
198. A Cebu teacher's salary is what percent of a Metro Manila teacher's salary?
199. What is the average Metro Manila salary of the five occupations?
200. For which occupation is the salary gap between Metro Manila and Cebu the LARGEST?