Average of 12 numbers 55. If average of 8 is 50, average of remaining 4? MCQ with Answer and Explanation

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Average of 12 numbers 55. If average of 8 is 50, average of remaining 4?

A. 60

B. 70

C. 65

D. 62.5

Answer: Option C

Solution (By JKExamLibrary)

Sum12=660. Sum8=400. Remaining=260. Average=65.

This question belongs to: Maths Average

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Question #1 Report Error

The average of 20,40,60,80,100 is

A. 50

B. 60

C. 55

D. 70

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Correct Answer: Option B

Explanation:
300/5=60.

This question belongs to: Maths Average

Question #2 Report Error

Average of 16 numbers 80. If average of 10 is 75, average of remaining 6?

A. 85

B. 90

C. 88.33

D. 87

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Correct Answer: Option C

Explanation:
Sum16=1280. Sum10=750. Remaining=530. Average≈88.33.

This question belongs to: Maths Average

Question #3 Report Error

Average of 12 numbers 2170. If average of 8 is 2165, average of remaining 4?

A. 2182

B. 2178

C. 2175

D. 2180

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Correct Answer: Option D

Explanation:
Sum12=26040. Sum8=17320. Remaining=8720. Average=2180.

This question belongs to: Maths Average

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