Average of 12 numbers 2170. If average of 8 is 2165, average of remaining 4? MCQ with Answer and Explanation

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

A. 2182

B. 2180

C. 2175

D. 2178

Answer: Option B

Solution (By JKSSB Mock Tests)

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

This question belongs to: Maths Average

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Question #1

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

A. 29.17

B. 30

C. 28

D. 29

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Correct Answer: Option A

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

This question belongs to: Maths Average

Question #2

Average of 10 to 50 is

A. 30

B. 29

C. 31

D. 32

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Correct Answer: Option A

Explanation:
(10+50)/2=30.

This question belongs to: Maths Average

Question #3

The average of 11 numbers is 44. What is the sum of the numbers?

A. 504

B. 484

C. 440

D. 464

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Correct Answer: Option B

Explanation:
Sum =44×11=484.

This question belongs to: Maths Average

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