The average of 7 numbers is 39. If one number is 48, find the average of the remaining 6. MCQ with Answer and Explanation

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The average of 7 numbers is 39. If one number is 48, find the average of the remaining 6.

A. 36.5

B. 37.5

C. 37

D. 38

Answer: Option B

Solution (By JKExamLibrary)

Sum=7×39=273. Remaining sum=273-48=225. Avg=225/6=37.5.

This question belongs to: Maths Average

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Question #1

Average of 10,20,30,40 is

A. 20

B. 22.5

C. 30

D. 25

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Correct Answer: Option D

Explanation:
100/4=25.

This question belongs to: Maths Average

Question #2

What is the average of the first 6 prime numbers?

A. 6.83

B. 7

C. 6.5

D. 6.33

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Correct Answer: Option A

Explanation:
Primes:2,3,5,7,11,13 sum=41, avg=41/6=6.83.

This question belongs to: Maths Average

Question #3

The average of 7 numbers is 30. If each number is divided by 2, what is the new average?

A. 15

B. 13

C. 14

D. 16

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Correct Answer: Option A

Explanation:
New average =30/2=15.

This question belongs to: Maths Average

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