The average of 6 numbers is 27. If one number is 33, find the average of the remaining 5. MCQ with Answer and Explanation

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The average of 6 numbers is 27. If one number is 33, find the average of the remaining 5.

A. 25.4

B. 26.2

C. 25.8

D. 26

Answer: Option C

Solution (By JKSSB Mock Tests)

Sum=6×27=162. Remaining sum=162-33=129. Avg=129/5=25.8.

This question belongs to: Maths Average

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Question #1

Average of 18 numbers 50. If 6 numbers average 55, average of remaining 12?

A. 47.5

B. 48

C. 46

D. 45

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Correct Answer: Option A

Explanation:
Sum18=900. Sum6=330. Remaining=570/12=47.5.

This question belongs to: Maths Average

Question #2

The average weight of 8 persons increases by 2.5 kg when one person weighing 65 kg is replaced by a new person. What is the weight of the new person?

A. 85

B. 75

C. 80

D. 90

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Correct Answer: Option A

Explanation:
Increase in total weight = 8 × 2.5 = 20 kg. New person weight = 65 + 20 = 85 kg.

This question belongs to: Maths Average

Question #3

Average of 9 numbers 940. If average of 6 is 935, average of remaining 3?

A. 945

B. 955

C. 948

D. 950

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Correct Answer: Option D

Explanation:
Sum9=8460. Sum6=5610. Remaining=2850. Average=950.

This question belongs to: Maths Average

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