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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 #26248
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC Statistics Sectional Test 2026 Medium
Which statement best explains Variance?
A
Average squared deviation from the mean, according to the chosen population or sample formula
B
Relationship in which variables tend to move in the same direction
C
Difference between maximum and minimum values
D
Standard deviation expressed relative to the mean, commonly as a percentage
Correct Answer: A. Average squared deviation from the mean, according to the chosen population or sample formula
Question: Which statement best explains Variance?
A. Average squared deviation from the mean, according to the chosen population or sample formula
B. Relationship in which variables tend to move in the same direction
C. Difference between maximum and minimum values
D. Standard deviation expressed relative to the mean, commonly as a percentage
Correct Answer: A. Average squared deviation from the mean, according to the chosen population or sample formula
Explanation: Variance: Average squared deviation from the mean, according to the chosen population or sample formula
QID #26247
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC Statistics Sectional Test 2026 Medium
Which of the following is best described as: Average squared deviation from the mean, according to the chosen population or sample formula
A
Probability
B
Variance
C
Independent events
D
Negative correlation
Correct Answer: B. Variance
Question: Which of the following is best described as: Average squared deviation from the mean, according to the chosen population or sample formula
A. Probability
B. Variance
C. Independent events
D. Negative correlation
Correct Answer: B. Variance
Explanation: The correct answer is Variance. Average squared deviation from the mean, according to the chosen population or sample formula
QID #26246
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC Statistics Sectional Test 2026 Medium
Which statement best explains Range?
A
Relationship in which variables tend to move in opposite directions
B
Average squared deviation from the mean, according to the chosen population or sample formula
C
Difference between maximum and minimum values
D
Positive square root of variance
Correct Answer: C. Difference between maximum and minimum values
Question: Which statement best explains Range?
A. Relationship in which variables tend to move in opposite directions
B. Average squared deviation from the mean, according to the chosen population or sample formula
C. Difference between maximum and minimum values
D. Positive square root of variance
Correct Answer: C. Difference between maximum and minimum values
Explanation: Range: Difference between maximum and minimum values
QID #26245
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 between maximum and minimum values
A
Population
B
Correlation
C
Range
D
Variance
Correct Answer: C. Range
Question: Which of the following is best described as: Difference between maximum and minimum values
A. Population
B. Correlation
C. Range
D. Variance
Correct Answer: C. Range
Explanation: The correct answer is Range. Difference between maximum and minimum values
QID #26244
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC Statistics Sectional Test 2026 Medium
Which statement best explains Mode?
A
Measure of direction and strength of association between variables
B
Most frequently occurring value
C
Numerical measure between 0 and 1 describing likelihood of an event
D
Symmetric bell-shaped continuous distribution characterized by mean and variance
Correct Answer: B. Most frequently occurring value
Question: Which statement best explains Mode?
A. Measure of direction and strength of association between variables
B. Most frequently occurring value
C. Numerical measure between 0 and 1 describing likelihood of an event
D. Symmetric bell-shaped continuous distribution characterized by mean and variance
Correct Answer: B. Most frequently occurring value
Explanation: Mode: Most frequently occurring value
QID #26243
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC Statistics Sectional Test 2026 Medium
Which of the following is best described as: Most frequently occurring value
A
Regression
B
Arithmetic mean
C
Positive correlation
D
Mode
Correct Answer: D. Mode
Question: Which of the following is best described as: Most frequently occurring value
A. Regression
B. Arithmetic mean
C. Positive correlation
D. Mode
Correct Answer: D. Mode
Explanation: The correct answer is Mode. Most frequently occurring value
QID #26242
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC Statistics Sectional Test 2026 Medium
Which statement best explains Median?
A
Difference between maximum and minimum values
B
Most frequently occurring value
C
Relationship in which variables tend to move in the same direction
D
Middle value after arranging observations in order
Correct Answer: D. Middle value after arranging observations in order
Question: Which statement best explains Median?
A. Difference between maximum and minimum values
B. Most frequently occurring value
C. Relationship in which variables tend to move in the same direction
D. Middle value after arranging observations in order
Correct Answer: D. Middle value after arranging observations in order
Explanation: Median: Middle value after arranging observations in order
QID #26241
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC Statistics Sectional Test 2026 Medium
Which of the following is best described as: Middle value after arranging observations in order
A
Median
B
Standard deviation
C
Sample
D
Sampling error
Correct Answer: A. Median
Question: Which of the following is best described as: Middle value after arranging observations in order
A. Median
B. Standard deviation
C. Sample
D. Sampling error
Correct Answer: A. Median
Explanation: The correct answer is Median. Middle value after arranging observations in order
QID #26240
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC Statistics Sectional Test 2026 Medium
Which statement best explains Arithmetic mean?
A
Symmetric bell-shaped continuous distribution characterized by mean and variance
B
Difference between maximum and minimum values
C
Sum of observations divided by the number of observations
D
Middle value after arranging observations in order
Correct Answer: C. Sum of observations divided by the number of observations
Question: Which statement best explains Arithmetic mean?
A. Symmetric bell-shaped continuous distribution characterized by mean and variance
B. Difference between maximum and minimum values
C. Sum of observations divided by the number of observations
D. Middle value after arranging observations in order
Correct Answer: C. Sum of observations divided by the number of observations
Explanation: Arithmetic mean: Sum of observations divided by the number of observations
QID #26239
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC Statistics Sectional Test 2026 Medium
Which of the following is best described as: Sum of observations divided by the number of observations
A
Arithmetic mean
B
Median
C
Sampling error
D
Independent events
Correct Answer: A. Arithmetic mean
Question: Which of the following is best described as: Sum of observations divided by the number of observations
A. Arithmetic mean
B. Median
C. Sampling error
D. Independent events
Correct Answer: A. Arithmetic mean
Explanation: The correct answer is Arithmetic mean. Sum of observations divided by the number of observations
QID #26238
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC Elementary Mathematics Sectional Test 2026 Medium
The perimeter of a square is 48 cm. What is its area?
A
144 cm²
B
48 cm²
C
576 cm²
D
96 cm²
Correct Answer: A. 144 cm²
Question: The perimeter of a square is 48 cm. What is its area?
A. 144 cm²
B. 48 cm²
C. 576 cm²
D. 96 cm²
Correct Answer: A. 144 cm²
Explanation: Side = 12 cm and area = 144 cm².
QID #26237
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC Elementary Mathematics Sectional Test 2026 Medium
If 40% of a number is 80, find the number.
A
200
B
120
C
320
D
40
Correct Answer: A. 200
Question: If 40% of a number is 80, find the number.
A. 200
B. 120
C. 320
D. 40
Correct Answer: A. 200
Explanation: Number = 80/0.40 = 200.
QID #26236
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC Elementary Mathematics Sectional Test 2026 Medium
A number increased by 20% becomes 120. What was the original number?
A
100
B
96
C
144
D
80
Correct Answer: A. 100
Question: A number increased by 20% becomes 120. What was the original number?
A. 100
B. 96
C. 144
D. 80
Correct Answer: A. 100
Explanation: Original = 120/1.20 = 100.
QID #26235
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC Elementary Mathematics Sectional Test 2026 Medium
Find the LCM of 12 and 18.
A
36
B
6
C
24
D
72
Correct Answer: A. 36
Question: Find the LCM of 12 and 18.
Correct Answer: A. 36
Explanation: The LCM of 12 and 18 is 36.
QID #26234
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC Elementary Mathematics Sectional Test 2026 Medium
Find the HCF of 18 and 24.
A
6
B
3
C
12
D
72
Correct Answer: A. 6
Question: Find the HCF of 18 and 24.
Correct Answer: A. 6
Explanation: The HCF of 18 and 24 is 6.
QID #26233
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC Elementary Mathematics Sectional Test 2026 Medium
Simplify 2³ × 2².
A
32
B
16
C
64
D
8
Correct Answer: A. 32
Question: Simplify 2³ × 2².
Correct Answer: A. 32
Explanation: 2³ × 2² = 2⁵ = 32.
QID #26232
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC Elementary Mathematics Sectional Test 2026 Medium
What is 5/8 of 320?
A
200
B
180
C
220
D
160
Correct Answer: A. 200
Question: What is 5/8 of 320?
A. 200
B. 180
C. 220
D. 160
Correct Answer: A. 200
Explanation: 5/8 × 320 = 200.
QID #26231
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC Elementary Mathematics Sectional Test 2026 Medium
What is 3/4 of 200?
A
150
B
100
C
175
D
50
Correct Answer: A. 150
Question: What is 3/4 of 200?
A. 150
B. 100
C. 175
D. 50
Correct Answer: A. 150
Explanation: 3/4 × 200 = 150.
QID #26230
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC Elementary Mathematics Sectional Test 2026 Medium
If 3x = 45, find x.
A
15
B
42
C
48
D
135
Correct Answer: A. 15
Question: If 3x = 45, find x.
Correct Answer: A. 15
Explanation: x = 45/3 = 15.
QID #26229
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC Elementary Mathematics Sectional Test 2026 Medium
If x + 7 = 19, find x.
A
12
B
26
C
7
D
19
Correct Answer: A. 12
Question: If x + 7 = 19, find x.
Correct Answer: A. 12
Explanation: x = 19 - 7 = 12.
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