Average of 15 numbers 2110. If average of 9 is 2105, average of remaining 6? MCQ with Answer and Explanation

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Average of 15 numbers 2110. If average of 9 is 2105, average of remaining 6?

A. 2118

B. 2115

C. 2117.5

D. 2120

Answer: Option C

Solution (By JKSSB Mock Tests)

Sum15=31650. Sum9=18945. Remaining=12705. Average=2117.5.

This question belongs to: Maths Average

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Question #1

Average of 10 numbers 2330. If average of 6 is 2325, average of remaining 4?

A. 2340

B. 2336

C. 2335

D. 2337.5

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Correct Answer: Option D

Explanation:
Sum10=23300. Sum6=13950. Remaining=9350. Average=2337.5.

This question belongs to: Maths Average

Question #2

The average of 28,35,42,49,56 is

A. 45

B. 42

C. 40

D. 44

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Correct Answer: Option B

Explanation:
Sum=210. Average=42.

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Question #3

Average of 255,340,425 is

A. 340

B. 335

C. 330

D. 350

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Correct Answer: Option A

Explanation:
1020/3=340.

This question belongs to: Maths Average

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