Average of 9 numbers 1090. If average of 6 is 1085, average of remaining 3? MCQ with Answer and Explanation

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Average of 9 numbers 1090. If average of 6 is 1085, average of remaining 3?

A. 1100

B. 1095

C. 1098

D. 1105

Answer: Option A

Solution (By JKSSB Mock Tests)

Sum9=9810. Sum6=6510. Remaining=3300. Average=1100.

This question belongs to: Maths Average

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Practice More Average Questions

Question #1

What is the average of all odd numbers from 1 to 19?

A. 10

B. 9.5

C. 9

D. 10.5

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Correct Answer: Option A

Explanation:
Odd numbers: 1,3,5,...,19. There are 10 terms. Sum = n^2 =10^2=100. Average=100/10=10.

This question belongs to: Maths Average

Question #2

Average of 12 numbers 220. If average of 8 is 215, average of remaining 4?

A. 228

B. 230

C. 225

D. 232

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Correct Answer: Option B

Explanation:
Sum12=2640. Sum8=1720. Remaining=920. Average=230.

This question belongs to: Maths Average

Question #3

Average of 15 numbers 2360. If average of 9 is 2355, average of remaining 6?

A. 2365

B. 2370

C. 2367.5

D. 2368

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Correct Answer: Option C

Explanation:
Sum15=35400. Sum9=21195. Remaining=14205. Average=2367.5.

This question belongs to: Maths Average

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