The average of 45 numbers is 50. If 5 numbers average 60 are added, new average of 50 numbers? MCQ with Answer and Explanation

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The average of 45 numbers is 50. If 5 numbers average 60 are added, new average of 50 numbers?

A. 52

B. 51

C. 50.5

D. 49

Answer: Option B

Solution (By JKExamLibrary)

Total45=2250. Added=300. Total2550/50=51.

This question belongs to: Maths Average

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Question #1

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Average of 10 numbers 2780. If average of 6 is 2775, average of remaining 4?

A. 2785

B. 2786

C. 2790

D. 2787.5

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Correct Answer: Option D

Explanation:
Sum10=27800. Sum6=16650. Remaining=11150. Average=2787.5.

This question belongs to: Maths Average

Question #2

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The average of 18, 24, 30, 36, 42 is

A. 32

B. 28

C. 31

D. 30

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Correct Answer: Option D

Explanation:
Sum=150. Average=30.

This question belongs to: Maths Average

Question #3

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The average of 24,36,48,60 is

A. 40

B. 39

C. 45

D. 42

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Correct Answer: Option D

Explanation:
168/4=42.

This question belongs to: Maths Average

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