Average of 10 numbers 230. If average of 6 is 225, average of remaining 4? MCQ with Answer and Explanation

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Average of 10 numbers 230. If average of 6 is 225, average of remaining 4?

A. 240

B. 235

C. 237.5

D. 236

Answer: Option C

Solution (By JKSSB Mock Tests)

Sum10=2300. Sum6=1350. Remaining=950. Average=237.5.

This question belongs to: Maths Average

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Question #1

Average of 9 numbers 1190. If average of 6 is 1185, average of remaining 3?

A. 1200

B. 1205

C. 1195

D. 1198

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Correct Answer: Option A

Explanation:
Sum9=10710. Sum6=7110. Remaining=3600. Average=1200.

This question belongs to: Maths Average

Question #2

Average of first 50 even numbers is

A. 51

B. 49

C. 52

D. 50

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Correct Answer: Option A

Explanation:
First 50 even: 2 to 100. Average = (2+100)/2 =51.

This question belongs to: Maths Average

Question #3

Average of 20,30,40,50,60 is

A. 42

B. 45

C. 38

D. 40

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Correct Answer: Option D

Explanation:
Sum=200. Average=40.

This question belongs to: Maths Average

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