Average of 8 numbers 1450. If average of 5 is 1445, average of remaining 3? MCQ with Answer and Explanation

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Average of 8 numbers 1450. If average of 5 is 1445, average of remaining 3?

A. 1457

B. 1458.33

C. 1455

D. 1460

Answer: Option B

Solution (By JKExamLibrary)

Sum8=11600. Sum5=7225. Remaining=4375. Average≈1458.33.

This question belongs to: Maths Average

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Question #1 Report Error

Average of 12 numbers 520. If average of 8 is 515, average of remaining 4?

A. 530

B. 525

C. 528

D. 532

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Correct Answer: Option A

Explanation:
Sum12=6240. Sum8=4120. Remaining=2120. Average=530.

This question belongs to: Maths Average

Question #2 Report Error

What is the average of all numbers from 1 to 30 that are divisible by 6?

A. 17

B. 18.5

C. 17.5

D. 18

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Correct Answer: Option D

Explanation:
Numbers:6,12,18,24,30 sum=90, count=5, avg=18.

This question belongs to: Maths Average

Question #3 Report Error

Average of 9 numbers 1840. If average of 6 is 1835, average of remaining 3?

A. 1848

B. 1850

C. 1845

D. 1855

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Correct Answer: Option B

Explanation:
Sum9=16560. Sum6=11010. Remaining=5550. Average=1850.

This question belongs to: Maths Average

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