Average of 15 numbers 2060. If average of 9 is 2055, average of remaining 6? MCQ with Answer and Explanation

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Average of 15 numbers 2060. If average of 9 is 2055, average of remaining 6?

A. 2065

B. 2067.5

C. 2068

D. 2070

Answer: Option B

Solution (By JKExamLibrary)

Sum15=30900. Sum9=18495. Remaining=12405. Average=2067.5.

This question belongs to: Maths Average

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Practice More Average Questions

Question #1 Report Error

Find average of all even numbers from 1 to 50.

A. 25

B. 27

C. 24

D. 26

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Correct Answer: Option D

Explanation:
Even numbers: 2 to 50, 25 numbers. Average = (2+50)/2 = 26.

This question belongs to: Maths Average

Question #2 Report Error

What is the average of the first 9 odd numbers?

A. 9.5

B. 8.5

C. 9

D. 10

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Correct Answer: Option C

Explanation:
Sum of first n odd numbers = n^2 =9^2=81. Average=81/9=9.

This question belongs to: Maths Average

Question #3 Report Error

The average of 4 consecutive odd numbers is 32. What is the smallest number?

A. 27

B. 31

C. 33

D. 29

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Correct Answer: Option D

Explanation:
Numbers are 29,31,33,35. Their average is 32. Smallest number = 29.

This question belongs to: Maths Average

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