Average of 15 numbers 1810. If average of 9 is 1805, average of remaining 6? MCQ with Answer and Explanation

Question
Average of 15 numbers 1810. If average of 9 is 1805, average of remaining 6?
A. 1820
B. 1818
C. 1815
D. 1817.5
Answer: Option D
Solution (By JKExamLibrary)
Sum15=27150. Sum9=16245. Remaining=10905. Average=1817.5.
This question belongs to: Maths Average

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Practice More Average Questions

Question #1
Average of 30 numbers 55. If average of 20 is 50, average of remaining 10?
A. 70
B. 65
C. 60
D. 62
Discuss

Correct Answer: Option B

Explanation:
Sum30=1650. Sum20=1000. Remaining=650. Average=65.
This question belongs to: Maths Average
Question #2
What is the average of cubes of first 3 natural numbers?
A. 36
B. 9
C. 27
D. 12
Discuss

Correct Answer: Option B

Explanation:
(1+8+27)/3=36/3=12? Wait, adjust: (1+8+27)=36, 36/3=12.
This question belongs to: Maths Average
Question #3
Average of 15 numbers 2310. If average of 9 is 2305, average of remaining 6?
A. 2320
B. 2315
C. 2317.5
D. 2318
Discuss

Correct Answer: Option C

Explanation:
Sum15=34650. Sum9=20745. Remaining=13905. Average=2317.5.
This question belongs to: Maths Average
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