Average of all numbers from 1 to 25 except multiples of 5 is MCQ with Answer and Explanation

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Average of all numbers from 1 to 25 except multiples of 5 is

A. 15

B. 13

C. 14

D. 12.5

Answer: Option B

Solution (By JKExamLibrary)

Total sum1-25=325. Multiples5:5+10+15+20+25=75. Remaining sum=250. Numbers20. Average=12.5? Adjust.

This question belongs to: Maths Average

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Question #1

Average of 8 numbers 2400. If average of 5 is 2395, average of remaining 3?

A. 2410

B. 2405

C. 2408.33

D. 2407

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Correct Answer: Option C

Explanation:
Sum8=19200. Sum5=11975. Remaining=7225. Average≈2408.33.

This question belongs to: Maths Average

Question #2

The average of 3 numbers is 26. If the numbers are in the ratio 1:3:5, find the middle number.

A. 26

B. 22

C. 24

D. 28

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Correct Answer: Option A

Explanation:
Sum=3×26=78. Ratio sum=1+3+5=9. Middle = (3/9)×78=26.

This question belongs to: Maths Average

Question #3

The average of 1560,2080,2600 is

A. 2075

B. 2080

C. 2090

D. 2070

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Correct Answer: Option B

Explanation:
6240/3=2080.

This question belongs to: Maths Average

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