Average of 10 numbers 2180. If average of 6 is 2175, average of remaining 4? MCQ with Answer and Explanation

Average of 10 numbers 2180. If average of 6 is 2175, average of remaining 4?
A. 2187.5
B. 2186
C. 2190
D. 2185
Answer: Option A
Solution (By JKSSB Mock Tests)
Sum10=21800. Sum6=13050. Remaining=8750. Average=2187.5.

This question belongs to: Maths Average
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Question #1
The average of 450,600,750 is
A. 595
B. 600
C. 610
D. 590

Correct Answer: Option B


Explanation:
1800/3=600.

This question belongs to: Maths Average
Question #2
Average of 8 numbers 1200. If average of 5 is 1195, average of remaining 3?
A. 1205
B. 1207
C. 1210
D. 1208.33

Correct Answer: Option D


Explanation:
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This question belongs to: Maths Average
Question #3
The average of 5 numbers is 26. If one number is 30, find the average of the rest.
A. 26
B. 25.5
C. 25
D. 24.5

Correct Answer: Option C


Explanation:
Sum=5×26=130. Rest sum=130-30=100. Avg=100/4=25.

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