Average of 8 numbers 1400. If average of 5 is 1395, average of remaining 3? MCQ with Answer and Explanation

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Average of 8 numbers 1400. If average of 5 is 1395, average of remaining 3?

A. 1410

B. 1408.33

C. 1407

D. 1405

Answer: Option B

Solution (By JKSSB Mock Tests)

Sum8=11200. Sum5=6975. Remaining=4225. Average≈1408.33.

This question belongs to: Maths Average

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Question #1

The average of squares of first 4 natural numbers is

A. 9

B. 6.5

C. 8.5

D. 7.5

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Correct Answer: Option D

Explanation:
(1+4+9+16)/4=30/4=7.5.

This question belongs to: Maths Average

Question #2

The average of 32,48,64 is

A. 48

B. 50

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D. 45

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Correct Answer: Option A

Explanation:
144/3=48.

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Question #3

Average of 50,75,100 is

A. 72

B. 80

C. 70

D. 75

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Correct Answer: Option D

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225/3=75.

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