PSU PREVIOUS YEAR AVERAGE QUESTIONS

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Created on November 23, 2025 By skverma.verma29@gmail.com
MATH QUIZ

AVERAGE QUIZ

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Category: MATH QUIZ

1. Exam: SSC CPO 2020

The average of 8 numbers is 21. If each number is increased by 3, what is the new average?

a) 23

b) 24

c) 22

d) 25

Each increased by 3 → avg increases by 3 → 21+3 = 24

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Category: MATH QUIZ

2. Exam: SSC GD 2018

The average of three consecutive even numbers is 36. What is the largest number?

a) 38

b) 36

c) 35

d) 34

Let numbers be n−2, n, n+2 (three consecutive even). Average = n = 36 → largest = n+2 = 38.

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Category: MATH QUIZ

3. Exam: RRB NTPC 2016

The average of 12 numbers is 18. If a new number 30 is added, what is the new average?

a) 19

b) 20

c) 22

d) 18.5

Solution: Total = 12×18 = 216. Add 30 → new total = 246. New avg = 246 ÷ 13 = 18.923… ≈ 19

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Category: MATH QUIZ

4. Exam: SSC CHSL 2022

The average weight of 30 students is 50 kg. If one student leaves, whose weight is 65 kg, what is the new average?

a) 49.6

b) 49.5

c) 49.4

d) 49.8

Solution: Total = 30×50 = 1500. Remove 65 → new total = 1435 over 29 students → avg = 1435/29 = 49.4827586 ≈ 49.

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Category: MATH QUIZ

5. Exam: Railway Group D 2019

The average of three numbers is 45. The first two numbers are 42 and 48. What is the third number?

a) 40

b) 45

c) 50

d) 54

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Category: MATH QUIZ

6. Exam: IBPS PO 2018

The average weight of 40 students is 55 kg. If a new student joins, the average becomes 55.5 kg. What is the weight of the new student?

a) 75.50 KG

b) 80.50 KG

c) 90.50 KG

d) 70.50 KG

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Category: MATH QUIZ

7. Exam: SBI Clerk 2019

A cricket player scored 40, 72, 65, and 83 runs in four matches. What is his average score?

a) 65

b) 60

c) 70

d) 64

Solution: Sum = 40+72+65+83 = 260. Avg = 260 ÷ 4 = 65.

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Category: MATH QUIZ

8. Exam: LIC Assistant 2018

A man spends ₹200, ₹250, ₹175, ₹300, and ₹275 in five days. What is his average spending?

a) ₹245

b) ₹225

c) ₹240

d) ₹220

Solution: Sum = 200+250+175+300+275 = 1200. Avg = 1200 ÷ 5 = 240

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Category: MATH QUIZ

9. Exam: SSC CGL 2020

The average of 6 numbers is 32. If one number is 40, what is the average of the remaining numbers?

a) 32.4

b) 33.1

c) 31.4

d) 30.4

Total = 6×32 = 192. Remove 40 → remaining total = 152 over 5 → avg = 152/5 = 30.4

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Category: MATH QUIZ

10. Exam: RRB JE 2019

The average of 12 results is 44. If the average of the first 6 results is 40, what is the average of the remaining results?

a) 50

b) 55

c) 52

d) 48

Total = 12×44 = 528. First 6 avg 40 → total first6 = 240. Remaining 6 total = 528−240 = 288 → avg = 288/6 = 48.

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Category: MATH QUIZ

11. Exam: SSC GD 2021

The average age of a family of 6 members is 22 years. A baby of age 2 is born. What is the new average age?

a) 18.14

b) 19.14

c) 20.14

d) 21.14

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Category: MATH QUIZ

12. Exam: SSC CGL 2017

The average of 4 numbers is 52. If the three numbers are 48, 56, and 50, what is the fourth number?

a) 52

b) 56

c) 58

d) 54

Sum target = 4×52 = 208. Given three sum = 48+56+50 = 154. Fourth = 208−154 = 54

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Category: MATH QUIZ

13. Exam: Railway Group D 2018

The average of 7 numbers is 15. If each number is increased by 5, what will be the new average?

a) 16

b) 20

c) 30

d) 15

Solution: Increase each of 7 numbers by 5 → average increases by 5 → new avg = 15+5 = 20.

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Category: MATH QUIZ

14. Exam: SSC CGL 2019

The average temperature for 10 days is 34°C. If the temperature on the 11th day is 44°C, what is the new average?

a) 35.91°C

b) 36.91°C

c) 34.91°C

d) 37.91°C

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Category: MATH QUIZ

15. Exam: SSC CGL 2018

The average of 5 numbers is 42. If one number is removed and the new average becomes 40, what is the removed number?

a) 50

b) 45

c) 52

d) 55

Solution: -

5 numbers average 42 → total = 5×42 = 210. New average 40 for 4 numbers → new total = 4×40 = 160. Removed = 210 − 160 = 50.

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Category: MATH QUIZ

16. Exam: RRB NTPC 2020

The average rainfall for 6 months is 120 mm. If one month recorded 160 mm, what is the total rainfall of the remaining 5 months?

a) 600 mm

b) 560 mm

c) 650 mm

d) 520 mm

Total rainfall = 6×120 = 720. One month 160, remaining 5 total = 720−160 = 560.

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Category: MATH QUIZ

17. Exam: Railway ALP 2018

The average age of 9 students is 14 years. If the teacher’s age is included, the average becomes 15 years. What is the teacher’s age?

a) 22

b) 23

c) 24

d) 25

Total students = 9×14 = 126. With teacher average 15 for 10 → total = 10×15 = 150. Teacher age = 150−126 = 24.

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Category: MATH QUIZ

18. Exam: SSC GD 2019

The average of five numbers is 18. If the sixth number added is 30, what is the new average?

a) 21

b) 22

c) 19

d) 20

Solution: Total = 5×18 = 90. Add 30 → 120 over 6 → avg = 20.

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Category: MATH QUIZ

19. Exam: SSC CHSL 2021

The average of 10 numbers is 45. If 3 numbers are removed and their average is 40, what is the average of the remaining numbers?

a) 49

b) 50

c) 47

d) 48

Total = 10×45 = 450. Removed 3 numbers average 40 → removed sum = 3×40 = 120. Remaining total = 450−120 = 330 over 7 → avg = 330/7 ≈ 47.142… ≈ 47.

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Category: MATH QUIZ

20. Exam: IBPS Clerk 2019

A student scored 58, 72, 65 and 85 marks in four subjects. What is his average?

a) 67

b) 70

c) 65

d) 80

Sum = 58+72+65+85 = 280. Avg = 280/4 = 70

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Category: MATH QUIZ

21. Exam: SSC CGL 2021

The average salary of 25 employees is ₹32,000. If the manager’s salary is added, the average becomes ₹33,000. What is the manager’s salary?

a) ₹52,000

b) ₹57,000

c) ₹60,000

d) ₹58,000

Total = 25×32000 = 800,000. New total = 26×33000 = 858,000. Manager salary = 858,000 − 800,000 = 58,000.

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Category: MATH QUIZ

22. Exam: IBPS PO 2020

The average of 8 numbers is 25. If 2 numbers, 20 and 28, are removed, what is the new average?

a) 22.33

b) 26.33

c) 25.33

d) 24.33

Table of Contents
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Find the total sum of the 8 numbers
Step 2: Subtract the removed numbers
Step 3: Find the new average

Find the total sum of the 8 numbers

Total Sum=Average×Number of terms=25×8=200

Step 2: Subtract the removed numbers

Remaining Sum=200−(20+28)=200−48=152

Step 3: Find the new average

Now 2 numbers are removed, so remaining numbers:

8−2=6

New Average=152/6=25.333

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Category: MATH QUIZ

23. Exam: IBPS Clerk 2020

The average of 10 numbers is 18. If each number is doubled, what will be the new average?

a) 40

b) 18

c) 36

d) 20

Doubling each doubles avg: 18×2 = 36

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Category: MATH QUIZ

24. Exam: SSC CHSL 2022

The average of 15 results is 75. If the average of the first 7 results is 70 and the average of the next 7 results is 78, find the 15th result.

a) 89

b) 73

c) 75

d) 77

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Category: MATH QUIZ

25. Exam: SSC CPO 2017

The average of 5 positive numbers is 27. The first two numbers are 20 and 22. What is the average of the remaining three numbers?

a) 32

b) 34

c) 33

d) 31

Solution: Total of 5 numbers = 5×27 = 135. First two sum = 20+22 = 42. Remaining three sum = 135 − 42 = 93. Avg of remaining three = 93 ÷ 3 = 31.

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PSU PREVIOUS YEAR AVERAGE QUESTIONS

Find the total sum of the 8 numbers

Step 2: Subtract the removed numbers

Step 3: Find the new average

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Find the total sum of the 8 numbers

Step 2: Subtract the removed numbers

Step 3: Find the new average

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