Average of 9 numbers 2340. If average of 6 is 2335, average of remaining 3? MCQ with Answer and Explanation

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Average of 9 numbers 2340. If average of 6 is 2335, average of remaining 3?

A. 2355

B. 2345

C. 2348

D. 2350

Answer: Option D

Solution (By JKSSB Mock Tests)

Sum9=21060. Sum6=14010. Remaining=7050. Average=2350.

This question belongs to: Maths Average

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Question #1

What is average of all two digit numbers?

A. 45

B. 55

C. 50

D. 54.5

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Correct Answer: Option D

Explanation:
From 10 to 99, 90 numbers. Average (10+99)/2=54.5.

This question belongs to: Maths Average

Question #2

Average of 40 numbers is 45. If numbers are increased by 5 each, new average?

A. 45

B. 55

C. 50

D. 48

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Correct Answer: Option C

Explanation:
New average =45+5=50.

This question belongs to: Maths Average

Question #3

Average of 40 numbers 30. If 10 numbers average 40, average of remaining 30?

A. 28

B. 26.67

C. 27

D. 25

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Correct Answer: Option B

Explanation:
Total=1200. 10=400. Remaining=800/30≈26.67.

This question belongs to: Maths Average

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