Average of 12 numbers 2220. If average of 8 is 2215, average of remaining 4? MCQ with Answer and Explanation

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Average of 12 numbers 2220. If average of 8 is 2215, average of remaining 4?

A. 2232

B. 2228

C. 2225

D. 2230

Answer: Option D

Solution (By JKExamLibrary)

Sum12=26640. Sum8=17720. Remaining=8920. Average=2230.

This question belongs to: Maths Average

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The average of 18, 24, 30, 36, 42 is

A. 31

B. 28

C. 30

D. 32

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Correct Answer: Option C

Explanation:
Sum=150. Average=30.

This question belongs to: Maths Average

Question #2 Report Error

Average of 1515,2020,2525 is

A. 2030

B. 2015

C. 2020

D. 2010

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Correct Answer: Option C

Explanation:
6060/3=2020.

This question belongs to: Maths Average

Question #3 Report Error

Average of 8 numbers 1050. If average of 5 is 1045, average of remaining 3?

A. 1057

B. 1055

C. 1060

D. 1058.33

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Correct Answer: Option D

Explanation:
Sum8=8400. Sum5=5225. Remaining=3175. Average≈1058.33.

This question belongs to: Maths Average

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