Average of 15 numbers 2610. If average of 9 is 2605, average of remaining 6? MCQ with Answer and Explanation

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

A. 2620

B. 2615

C. 2618

D. 2617.5

Answer: Option D

Solution (By JKSSB Mock Tests)

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

This question belongs to: Maths Average

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Question #1

The average of 9 numbers is 40. If average of 6 is 35, average of remaining 3 is

A. 55

B. 48

C. 45

D. 50

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Correct Answer: Option D

Explanation:
Sum9=360. Sum6=210. Remaining sum=150. Average=50.

This question belongs to: Maths Average

Question #2

Average of 8 numbers 2050. If average of 5 is 2045, average of remaining 3?

A. 2058.33

B. 2060

C. 2057

D. 2055

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Correct Answer: Option A

Explanation:
Sum8=16400. Sum5=10225. Remaining=6175. Average≈2058.33.

This question belongs to: Maths Average

Question #3

Average of 9 numbers 2440. If average of 6 is 2435, average of remaining 3?

A. 2445

B. 2450

C. 2455

D. 2448

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Correct Answer: Option B

Explanation:
Sum9=21960. Sum6=14610. Remaining=7350. Average=2450.

This question belongs to: Maths Average

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