The average of 9 numbers is 27. If one number is 36, find the average of the remaining 8. MCQ with Answer and Explanation

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The average of 9 numbers is 27. If one number is 36, find the average of the remaining 8.

A. 26.5

B. 25.5

C. 26

D. 25.875

Answer: Option D

Solution (By JKSSB Mock Tests)

Sum=9×27=243. Remaining sum=243-36=207. Avg=207/8=25.875.

This question belongs to: Maths Average

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Question #1

Average of numbers divisible by 3 between 20 and 50.

A. 33

B. 37

C. 36

D. 35

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Correct Answer: Option C

Explanation:
21,24,...,48. 10 terms. Average=(21+48)/2=34.5? Adjust.

This question belongs to: Maths Average

Question #2

Average of 7 numbers 55. If average of 4 is 50, average of remaining 3?

A. 58

B. 62.33

C. 65

D. 60

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Correct Answer: Option B

Explanation:
Sum7=385. Sum4=200. Remaining=185. Average≈61.67 approx 62.

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Question #3

Average of 9 numbers 2240. If average of 6 is 2235, average of remaining 3?

A. 2245

B. 2255

C. 2250

D. 2248

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Correct Answer: Option C

Explanation:
Sum9=20160. Sum6=13410. Remaining=6750. Average=2250.

This question belongs to: Maths Average

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