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UPSC EPFO APFC 2026 Mock Test Series with Answers | Military Brat Defence Academy
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Series: UPSC EPFO APFC 2026 Mock Test Series
QID #26288
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC General Mental Ability Sectional Test 2026 Easy
Find the next number: 4, 9, 16, 25, ?
A
36
B
38
C
34
D
72
Correct Answer: A. 36
Question: Find the next number: 4, 9, 16, 25, ?
Correct Answer: A. 36
Explanation: The pattern is consecutive squares; next term is 36.
QID #26287
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC General Mental Ability Sectional Test 2026 Easy
Find the next number: 81, 27, 9, 3, ?
A
1
B
3
C
0
D
2
Correct Answer: A. 1
Question: Find the next number: 81, 27, 9, 3, ?
Correct Answer: A. 1
Explanation: The pattern is divide by 3; next term is 1.
QID #26286
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC General Mental Ability Sectional Test 2026 Easy
Find the next number: 7, 14, 21, 28, ?
A
35
B
37
C
33
D
70
Correct Answer: A. 35
Question: Find the next number: 7, 14, 21, 28, ?
Correct Answer: A. 35
Explanation: The pattern is add 7; next term is 35.
QID #26285
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC General Mental Ability Sectional Test 2026 Easy
Find the next number: 1, 1, 2, 3, 5, ?
A
8
B
10
C
6
D
16
Correct Answer: A. 8
Question: Find the next number: 1, 1, 2, 3, 5, ?
Correct Answer: A. 8
Explanation: The pattern is Fibonacci pattern; next term is 8.
QID #26284
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC General Mental Ability Sectional Test 2026 Easy
Find the next number: 100, 90, 80, 70, ?
A
60
B
62
C
58
D
120
Correct Answer: A. 60
Question: Find the next number: 100, 90, 80, 70, ?
Correct Answer: A. 60
Explanation: The pattern is subtract 10; next term is 60.
QID #26283
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC General Mental Ability Sectional Test 2026 Easy
Find the next number: 2, 5, 8, 11, ?
A
14
B
16
C
12
D
28
Correct Answer: A. 14
Question: Find the next number: 2, 5, 8, 11, ?
Correct Answer: A. 14
Explanation: The pattern is add 3; next term is 14.
QID #26282
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC General Mental Ability Sectional Test 2026 Easy
Find the next number: 5, 10, 20, 40, ?
A
80
B
82
C
78
D
160
Correct Answer: A. 80
Question: Find the next number: 5, 10, 20, 40, ?
Correct Answer: A. 80
Explanation: The pattern is multiply by 2; next term is 80.
QID #26281
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC General Mental Ability Sectional Test 2026 Easy
Find the next number: 1, 4, 9, 16, ?
A
25
B
27
C
23
D
50
Correct Answer: A. 25
Question: Find the next number: 1, 4, 9, 16, ?
Correct Answer: A. 25
Explanation: The pattern is perfect squares; next term is 25.
QID #26280
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC General Mental Ability Sectional Test 2026 Easy
Find the next number: 3, 6, 12, 24, ?
A
48
B
50
C
46
D
96
Correct Answer: A. 48
Question: Find the next number: 3, 6, 12, 24, ?
Correct Answer: A. 48
Explanation: The pattern is multiply by 2; next term is 48.
QID #26279
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC General Mental Ability Sectional Test 2026 Easy
Find the next number: 2, 4, 6, 8, ?
A
10
B
12
C
8
D
20
Correct Answer: A. 10
Question: Find the next number: 2, 4, 6, 8, ?
Correct Answer: A. 10
Explanation: The pattern is add 2; next term is 10.
QID #26278
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC Statistics Sectional Test 2026 Medium
Which statement best explains Census?
A
Numerical measure between 0 and 1 describing likelihood of an event
B
Difference between maximum and minimum values
C
Complete enumeration of all units in a population
D
Positive square root of variance
Correct Answer: C. Complete enumeration of all units in a population
Question: Which statement best explains Census?
A. Numerical measure between 0 and 1 describing likelihood of an event
B. Difference between maximum and minimum values
C. Complete enumeration of all units in a population
D. Positive square root of variance
Correct Answer: C. Complete enumeration of all units in a population
Explanation: Census: Complete enumeration of all units in a population
QID #26277
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC Statistics Sectional Test 2026 Medium
Which of the following is best described as: Complete enumeration of all units in a population
A
Census
B
Range
C
Positive correlation
D
Standard deviation
Correct Answer: A. Census
Question: Which of the following is best described as: Complete enumeration of all units in a population
A. Census
B. Range
C. Positive correlation
D. Standard deviation
Correct Answer: A. Census
Explanation: The correct answer is Census. Complete enumeration of all units in a population
QID #26276
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC Statistics Sectional Test 2026 Medium
Which statement best explains Sampling error?
A
Variable whose numerical value depends on the outcome of a random experiment
B
Difference arising because a sample rather than the whole population is observed
C
Middle value after arranging observations in order
D
Standard deviation expressed relative to the mean, commonly as a percentage
Correct Answer: B. Difference arising because a sample rather than the whole population is observed
Question: Which statement best explains Sampling error?
A. Variable whose numerical value depends on the outcome of a random experiment
B. Difference arising because a sample rather than the whole population is observed
C. Middle value after arranging observations in order
D. Standard deviation expressed relative to the mean, commonly as a percentage
Correct Answer: B. Difference arising because a sample rather than the whole population is observed
Explanation: Sampling error: Difference arising because a sample rather than the whole population is observed
QID #26275
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC Statistics Sectional Test 2026 Medium
Which of the following is best described as: Difference arising because a sample rather than the whole population is observed
A
Random variable
B
Coefficient of variation
C
Sampling error
D
Variance
Correct Answer: C. Sampling error
Question: Which of the following is best described as: Difference arising because a sample rather than the whole population is observed
A. Random variable
B. Coefficient of variation
C. Sampling error
D. Variance
Correct Answer: C. Sampling error
Explanation: The correct answer is Sampling error. Difference arising because a sample rather than the whole population is observed
QID #26274
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC Statistics Sectional Test 2026 Medium
Which statement best explains Sample?
A
Most frequently occurring value
B
Relationship in which variables tend to move in opposite directions
C
Average squared deviation from the mean, according to the chosen population or sample formula
D
Subset selected from a population for study
Correct Answer: D. Subset selected from a population for study
Question: Which statement best explains Sample?
A. Most frequently occurring value
B. Relationship in which variables tend to move in opposite directions
C. Average squared deviation from the mean, according to the chosen population or sample formula
D. Subset selected from a population for study
Correct Answer: D. Subset selected from a population for study
Explanation: Sample: Subset selected from a population for study
QID #26273
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC Statistics Sectional Test 2026 Medium
Which of the following is best described as: Subset selected from a population for study
A
Mode
B
Correlation
C
Sample
D
Coefficient of variation
Correct Answer: C. Sample
Question: Which of the following is best described as: Subset selected from a population for study
A. Mode
B. Correlation
C. Sample
D. Coefficient of variation
Correct Answer: C. Sample
Explanation: The correct answer is Sample. Subset selected from a population for study
QID #26272
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC Statistics Sectional Test 2026 Medium
Which statement best explains Population?
A
Sum of observations divided by the number of observations
B
Difference arising because a sample rather than the whole population is observed
C
Complete set of units or observations of interest
D
Middle value after arranging observations in order
Correct Answer: C. Complete set of units or observations of interest
Question: Which statement best explains Population?
A. Sum of observations divided by the number of observations
B. Difference arising because a sample rather than the whole population is observed
C. Complete set of units or observations of interest
D. Middle value after arranging observations in order
Correct Answer: C. Complete set of units or observations of interest
Explanation: Population: Complete set of units or observations of interest
QID #26271
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC Statistics Sectional Test 2026 Medium
Which of the following is best described as: Complete set of units or observations of interest
A
Population
B
Coefficient of variation
C
Census
D
Normal distribution
Correct Answer: A. Population
Question: Which of the following is best described as: Complete set of units or observations of interest
A. Population
B. Coefficient of variation
C. Census
D. Normal distribution
Correct Answer: A. Population
Explanation: The correct answer is Population. Complete set of units or observations of interest
QID #26270
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC Statistics Sectional Test 2026 Medium
Which statement best explains Regression?
A
Difference arising because a sample rather than the whole population is observed
B
Statistical method for modelling relationship between dependent and explanatory variables
C
Average squared deviation from the mean, according to the chosen population or sample formula
D
Events that cannot occur simultaneously
Correct Answer: B. Statistical method for modelling relationship between dependent and explanatory variables
Question: Which statement best explains Regression?
A. Difference arising because a sample rather than the whole population is observed
B. Statistical method for modelling relationship between dependent and explanatory variables
C. Average squared deviation from the mean, according to the chosen population or sample formula
D. Events that cannot occur simultaneously
Correct Answer: B. Statistical method for modelling relationship between dependent and explanatory variables
Explanation: Regression: Statistical method for modelling relationship between dependent and explanatory variables
QID #26269
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC Statistics Sectional Test 2026 Medium
Which of the following is best described as: Statistical method for modelling relationship between dependent and explanatory variables
A
Regression
B
Mode
C
Negative correlation
D
Standard deviation
Correct Answer: A. Regression
Question: Which of the following is best described as: Statistical method for modelling relationship between dependent and explanatory variables
A. Regression
B. Mode
C. Negative correlation
D. Standard deviation
Correct Answer: A. Regression
Explanation: The correct answer is Regression. Statistical method for modelling relationship between dependent and explanatory variables
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