Average of 1215,1620,2025 is MCQ with Answer and Explanation

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Average of 1215,1620,2025 is

A. 1630

B. 1620

C. 1615

D. 1610

Answer: Option B

Solution (By JKSSB Mock Tests)

4860/3=1620.

This question belongs to: Maths Average

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Question #1

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Average of 4 consecutive numbers is 49.5. Largest number?

A. 50

B. 51

C. 52

D. 49

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Correct Answer: Option B

Explanation:
Average middle of 2nd 3rd 49.5. Largest=49.5+1.5=51.

This question belongs to: Maths Average

Question #2

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Average of 15 numbers 2610. If average of 9 is 2605, average of remaining 6?

A. 2618

B. 2617.5

C. 2620

D. 2615

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Correct Answer: Option B

Explanation:
Sum15=39150. Sum9=23445. Remaining=15705. Average=2617.5.

This question belongs to: Maths Average

Question #3

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Average of 9 numbers 340. If average of 6 is 335, average of remaining 3?

A. 350

B. 348

C. 345

D. 355

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Correct Answer: Option A

Explanation:
Sum9=3060. Sum6=2010. Remaining=1050. Average=350.

This question belongs to: Maths Average

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