Average of 25 numbers is 48. If one number 60 is replaced by 36, new average? MCQ with Answer and Explanation

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Average of 25 numbers is 48. If one number 60 is replaced by 36, new average?

A. 48

B. 46

C. 47

D. 47.04

Answer: Option D

Solution (By JKExamLibrary)

Change -24, decrease 24/25=0.96, new 47.04.

This question belongs to: Maths Average

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Question #1 Report Error

The average of 10 consecutive even numbers is 41. Largest?

A. 50

B. 48

C. 52

D. 46

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Correct Answer: Option A

Explanation:
Largest=41+9=50.

This question belongs to: Maths Average

Question #2 Report Error

Average of 3 numbers is 25. If two average 20, third is

A. 40

B. 35

C. 25

D. 30

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Correct Answer: Option B

Explanation:
Third =75 -40=35.

This question belongs to: Maths Average

Question #3 Report Error

Average of 50 numbers is 38. The number 45 was wrongly written as 54. Correct average?

A. 39

B. 37.82

C. 37.8

D. 38

View Answer & Solution Discuss

Correct Answer: Option B

Explanation:
Error +9, decrease 9/50=0.18, correct average=38-0.18=37.82.

This question belongs to: Maths Average

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