Average of 40 numbers 28. If 10 numbers average 32, average of remaining 30? MCQ with Answer and Explanation

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Average of 40 numbers 28. If 10 numbers average 32, average of remaining 30?

A. 27

B. 26

C. 25

D. 24

Answer: Option B

Solution (By JKSSB Mock Tests)

Total=1120. 10=320. Remaining=800/30≈26.67 approx 26.

This question belongs to: Maths Average

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Question #1

Average of odd numbers from 1 to 49 is

A. 26

B. 24

C. 25

D. 25.5

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Correct Answer: Option C

Explanation:
25 odd numbers. Average = middle one =25.

This question belongs to: Maths Average

Question #2

The average of 9 consecutive integers is 15. What is the largest integer?

A. 19

B. 18

C. 20

D. 17

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Correct Answer: Option A

Explanation:
Middle (5th) is 15. Largest =15 +4 =19.

This question belongs to: Maths Average

Question #3

Average of 10 numbers 28. If average of 6 is 25, average of remaining 4?

A. 35

B. 32.5

C. 33

D. 30

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Correct Answer: Option B

Explanation:
Sum10=280. Sum6=150. Remaining=130. Average=32.5.

This question belongs to: Maths Average

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