Average of 12 numbers 1070. If average of 8 is 1065, average of remaining 4? MCQ with Answer and Explanation

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Average of 12 numbers 1070. If average of 8 is 1065, average of remaining 4?

A. 1075

B. 1082

C. 1078

D. 1080

Answer: Option D

Solution (By JKExamLibrary)

Sum12=12840. Sum8=8520. Remaining=4320. Average=1080.

This question belongs to: Maths Average

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Practice More Average Questions

Question #1

The average temperature for a week was 30°C. If Sunday was 35°C, average of 6 days?

A. 29

B. 28

C. 29.17

D. 30

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Correct Answer: Option C

Explanation:
Total7=210. Without Sunday=175. Average=175/6≈29.17.

This question belongs to: Maths Average

Question #2

Average of 10 numbers 430. If average of 6 is 425, average of remaining 4?

A. 436

B. 435

C. 437.5

D. 440

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Correct Answer: Option C

Explanation:
Sum10=4300. Sum6=2550. Remaining=1750. Average=437.5.

This question belongs to: Maths Average

Question #3

The average marks of a student in 5 subjects is 80. If he scores 90 in the sixth subject, what is his new average?

A. 82.5

B. 80.5

C. 81.33

D. 81.67

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Correct Answer: Option D

Explanation:
Sum of 5 =5×80=400. Sum of 6 =400+90=490. New average =490/6=81.666... ≈81.67.

This question belongs to: Maths Average

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