Average of 5 numbers 48. If average of 2 is 40, average of remaining 3? MCQ with Answer and Explanation

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Average of 5 numbers 48. If average of 2 is 40, average of remaining 3?

A. 55

B. 50

C. 53.33

D. 52

Answer: Option C

Solution (By JKSSB Mock Tests)

Sum5=240. Sum2=80. Remaining=160. Average≈53.33.

This question belongs to: Maths Average

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Question #1

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The average of 5 numbers is 32. If one number is excluded, the average becomes 30. Find the excluded number.

A. 38

B. 42

C. 40

D. 36

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Correct Answer: Option C

Explanation:
Sum of 5 =160. Sum of 4=4×30=120. Excluded=160-120=40.

This question belongs to: Maths Average

Question #2

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Average of 8 numbers 650. If average of 5 is 645, average of remaining 3?

A. 657

B. 658.33

C. 660

D. 655

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Correct Answer: Option B

Explanation:
Sum8=5200. Sum5=3225. Remaining=1975. Average≈658.33.

This question belongs to: Maths Average

Question #3

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Average of 10 numbers 2030. If average of 6 is 2025, average of remaining 4?

A. 2035

B. 2040

C. 2037.5

D. 2036

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Correct Answer: Option C

Explanation:
Sum10=20300. Sum6=12150. Remaining=8150. Average=2037.5.

This question belongs to: Maths Average

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