Average of 8 numbers 1300. If average of 5 is 1295, average of remaining 3? MCQ with Answer and Explanation

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Average of 8 numbers 1300. If average of 5 is 1295, average of remaining 3?

A. 1305

B. 1308.33

C. 1307

D. 1310

Answer: Option B

Solution (By JKExamLibrary)

Sum8=10400. Sum5=6475. Remaining=3925. Average≈1308.33.

This question belongs to: Maths Average

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Question #1 Report Error

Average of 8 numbers 1500. If average of 5 is 1495, average of remaining 3?

A. 1508.33

B. 1507

C. 1510

D. 1505

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Correct Answer: Option A

Explanation:
Sum8=12000. Sum5=7475. Remaining=4525. Average≈1508.33.

This question belongs to: Maths Average

Question #2 Report Error

The average of 7 numbers is 30. If each number is divided by 2, what is the new average?

A. 16

B. 15

C. 13

D. 14

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Correct Answer: Option B

Explanation:
New average =30/2=15.

This question belongs to: Maths Average

Question #3 Report Error

Average of 100 numbers is 50. If 98 is replaced by 52, new average?

A. 49.46

B. 50

C. 49

D. 48

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Correct Answer: Option A

Explanation:
Change -46. Decrease 46/100=0.46. New 49.54 approx.

This question belongs to: Maths Average

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