Average MCQs

Maths

Average MCQs

Practice Average MCQs with answers and detailed explanations. Learn basic average concepts, average age, marks, salary, speed, combined average, weighted average and advanced aptitude questions designed for SSC, Railway, Banking, UPSC, JKSSB, Police, Teaching and other competitive exams.

965
Total Questions

Practice Questions

Page 29 of 49
Question #561
Average of 30,45,60,75 is
A. 55
B. 50
C. 45
D. 52.5
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Correct Answer: Option D

Explanation:
210/4=52.5.
This question belongs to: Maths Average
Question #562
Average of 12 numbers 75. If average of 7 is 70, average of remaining 5?
A. 78
B. 85
C. 80
D. 82
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Correct Answer: Option D

Explanation:
Sum12=900. Sum7=490. Remaining=410. Average=82.
This question belongs to: Maths Average
Question #563
The average of 80,90,100 is
A. 85
B. 95
C. 90
D. 88
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Correct Answer: Option C

Explanation:
270/3=90.
This question belongs to: Maths Average
Question #564
Average of 5 numbers 48. If average of 2 is 40, average of remaining 3?
A. 55
B. 53.33
C. 50
D. 52
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Correct Answer: Option B

Explanation:
Sum5=240. Sum2=80. Remaining=160. Average≈53.33.
This question belongs to: Maths Average
Question #565
Average of 18,36,54,72 is
A. 45
B. 42
C. 50
D. 40
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Correct Answer: Option A

Explanation:
180/4=45.
This question belongs to: Maths Average
Question #566
Average of 20 numbers 90. If average of 12 is 85, average of remaining 8?
A. 100
B. 95
C. 97.5
D. 96
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Correct Answer: Option C

Explanation:
Sum20=1800. Sum12=1020. Remaining=780. Average=97.5.
This question belongs to: Maths Average
Question #567
The average of 63,72,81 is
A. 70
B. 72
C. 75
D. 68
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Correct Answer: Option B

Explanation:
216/3=72.
This question belongs to: Maths Average
Question #568
Average of 10 numbers 55. If average of 6 is 50, average of remaining 4?
A. 63
B. 65
C. 62.5
D. 60
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Correct Answer: Option C

Explanation:
Sum10=550. Sum6=300. Remaining=250. Average=62.5.
This question belongs to: Maths Average
Question #569
Average of 35,70,105 is
A. 60
B. 70
C. 65
D. 80
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Correct Answer: Option B

Explanation:
210/3=70.
This question belongs to: Maths Average
Question #570
Average of 16 numbers 80. If average of 10 is 75, average of remaining 6?
A. 90
B. 88.33
C. 87
D. 85
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Correct Answer: Option B

Explanation:
Sum16=1280. Sum10=750. Remaining=530. Average≈88.33.
This question belongs to: Maths Average
Question #571
The average of 48,64,80 is
A. 64
B. 60
C. 70
D. 62
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Correct Answer: Option A

Explanation:
192/3=64.
This question belongs to: Maths Average
Question #572
Average of 8 numbers 85. If average of 5 is 80, average of remaining 3?
A. 90
B. 93.33
C. 92
D. 95
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Correct Answer: Option B

Explanation:
Sum8=680. Sum5=400. Remaining=280. Average≈93.33.
This question belongs to: Maths Average
Question #573
Average of 25,50,75,100 is
A. 70
B. 62.5
C. 60
D. 65
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Correct Answer: Option B

Explanation:
250/4=62.5.
This question belongs to: Maths Average
Question #574
Average of 15 numbers 95. If average of 9 is 90, average of remaining 6?
A. 98
B. 100
C. 102.5
D. 105
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Correct Answer: Option C

Explanation:
Sum15=1425. Sum9=810. Remaining=615. Average=102.5.
This question belongs to: Maths Average
Question #575
The average of 54,72,90 is
A. 68
B. 75
C. 72
D. 70
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Correct Answer: Option C

Explanation:
216/3=72.
This question belongs to: Maths Average
Question #576
Average of 12 numbers 100. If average of 8 is 95, average of remaining 4?
A. 105
B. 110
C. 112
D. 108
Discuss
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Correct Answer: Option B

Explanation:
Sum12=1200. Sum8=760. Remaining=440. Average=110.
This question belongs to: Maths Average
Question #577
Average of 40,60,80,100 is
A. 70
B. 75
C. 72
D. 65
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Correct Answer: Option A

Explanation:
280/4=70.
This question belongs to: Maths Average
Question #578
Average of 7 numbers 110. If average of 4 is 105, average of remaining 3?
A. 120
B. 118
C. 115
D. 117.67
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Correct Answer: Option D

Explanation:
Sum7=770. Sum4=420. Remaining=350. Average≈116.67 approx 117.
This question belongs to: Maths Average
Question #579
Average of 30,60,90,120 is
A. 75
B. 85
C. 80
D. 70
Discuss
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Correct Answer: Option A

Explanation:
300/4=75.
This question belongs to: Maths Average
Question #580
Average of 20 numbers 120. If average of 12 is 115, average of remaining 8?
A. 130
B. 125
C. 126
D. 127.5
Discuss
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Correct Answer: Option D

Explanation:
Sum20=2400. Sum12=1380. Remaining=1020. Average=127.5.
This question belongs to: Maths Average

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