Average of 15 numbers 2010. If average of 9 is 2005, average of remaining 6? MCQ with Answer and Explanation

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Average of 15 numbers 2010. If average of 9 is 2005, average of remaining 6?

A. 2018

B. 2015

C. 2020

D. 2017.5

Answer: Option D

Solution (By JKSSB Mock Tests)

Sum15=30150. Sum9=18045. Remaining=12105. Average=2017.5.

This question belongs to: Maths Average

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Practice More Average Questions

Question #1

What is the average of the first 6 prime numbers?

A. 6.83

B. 6.33

C. 6.5

D. 7

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Correct Answer: Option A

Explanation:
Primes:2,3,5,7,11,13 sum=41, avg=41/6=6.83.

This question belongs to: Maths Average

Question #2

Average of 14 numbers 40. If average of 8 is 36, average of remaining 6?

A. 45

B. 48

C. 46

D. 44

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Correct Answer: Option C

Explanation:
Sum14=560. Sum8=288. Remaining=272. Average≈45.33 approx 46.

This question belongs to: Maths Average

Question #3

Average of 9 numbers 1240. If average of 6 is 1235, average of remaining 3?

A. 1248

B. 1245

C. 1250

D. 1255

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Correct Answer: Option C

Explanation:
Sum9=11160. Sum6=7410. Remaining=3750. Average=1250.

This question belongs to: Maths Average

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