Average of 8 numbers 1700. If average of 5 is 1695, average of remaining 3? MCQ with Answer and Explanation

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Average of 8 numbers 1700. If average of 5 is 1695, average of remaining 3?

A. 1705

B. 1708.33

C. 1710

D. 1707

Answer: Option B

Solution (By JKSSB Mock Tests)

Sum8=13600. Sum5=8475. Remaining=5125. Average≈1708.33.

This question belongs to: Maths Average

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Question #1

Average of 9 numbers is 50. If 60 is replaced by 40, new average?

A. 48

B. 47

C. 49

D. 50

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Correct Answer: Option A

Explanation:
Change -20, decrease 20/9≈2.22, 50-2.22≈47.78 approx 48.

This question belongs to: Maths Average

Question #2

The average of 35 numbers is 25. If 5 numbers average 30 are included, new average of 40?

A. 25.625

B. 26

C. 24

D. 25

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Correct Answer: Option A

Explanation:
Total35=875. Added=150. Total1025/40=25.625.

This question belongs to: Maths Average

Question #3

Average of 945,1260,1575 is

A. 1255

B. 1260

C. 1270

D. 1250

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Correct Answer: Option B

Explanation:
3780/3=1260.

This question belongs to: Maths Average

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