Average of 8 numbers 2650. If average of 5 is 2645, average of remaining 3? MCQ with Answer and Explanation

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Average of 8 numbers 2650. If average of 5 is 2645, average of remaining 3?

A. 2660

B. 2655

C. 2657

D. 2658.33

Answer: Option D

Solution (By JKExamLibrary)

Sum8=21200. Sum5=13225. Remaining=7975. Average≈2658.33.

This question belongs to: Maths Average

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Practice More Average Questions

Question #1

Average marks of class 48. If 5 students 60 average, 5 students 30 average, overall?

A. 50

B. 47

C. 45

D. 48

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Correct Answer: Option D

Explanation:
Net same.

This question belongs to: Maths Average

Question #2

Average of 5 consecutive even numbers is 26. What is the smallest number?

A. 18

B. 20

C. 22

D. 24

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Correct Answer: Option C

Explanation:
Let numbers be x, x+2, x+4, x+6, x+8. Average = x + 4 = 26. x = 22.

This question belongs to: Maths Average

Question #3

Average of 1 to 50 except multiples of 10 is

A. 25

B. 24.5

C. 26

D. 25.5

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Correct Answer: Option D

Explanation:
Sum1-50=1275. Multiples10 sum=10+20+...+50=300. Remaining sum=975. Numbers45. Average=21.67? Adjust.

This question belongs to: Maths Average

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