Average of 8 numbers 400. If average of 5 is 395, average of remaining 3? MCQ with Answer and Explanation

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Average of 8 numbers 400. If average of 5 is 395, average of remaining 3?

A. 405

B. 408.33

C. 407

D. 410

Answer: Option B

Solution (By JKSSB Mock Tests)

Sum8=3200. Sum5=1975. Remaining=1225. Average≈408.33.

This question belongs to: Maths Average

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Question #1

Average of 465,620,775 is

A. 620

B. 615

C. 630

D. 610

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Correct Answer: Option A

Explanation:
1860/3=620.

This question belongs to: Maths Average

Question #2

Average of 7 numbers 110. If average of 4 is 105, average of remaining 3?

A. 120

B. 115

C. 117.67

D. 118

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Correct Answer: Option C

Explanation:
Sum7=770. Sum4=420. Remaining=350. Average≈116.67 approx 117.

This question belongs to: Maths Average

Question #3

Average of 12,24,36,48,60,72 is

A. 42

B. 40

C. 45

D. 36

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Correct Answer: Option A

Explanation:
Sum=252. Average=42.

This question belongs to: Maths Average

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