Average of 15 numbers 1860. If average of 9 is 1855, average of remaining 6? MCQ with Answer and Explanation

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Average of 15 numbers 1860. If average of 9 is 1855, average of remaining 6?

A. 1870

B. 1865

C. 1868

D. 1867.5

Answer: Option D

Solution (By JKSSB Mock Tests)

Sum15=27900. Sum9=16695. Remaining=11205. Average=1867.5.

This question belongs to: Maths Average

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Question #1

Average of 30,60,90,120 is

A. 75

B. 85

C. 80

D. 70

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Correct Answer: Option A

Explanation:
300/4=75.

This question belongs to: Maths Average

Question #2

If average of 8 and 12 is 10, average of 12 and 18 is 15, average of 8,12,18 is

A. 12

B. 13

C. 12.67

D. 14

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Correct Answer: Option C

Explanation:
Sum=38. Average=38/3≈12.67.

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Question #3

Average of 1515,2020,2525 is

A. 2030

B. 2015

C. 2010

D. 2020

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Correct Answer: Option D

Explanation:
6060/3=2020.

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