The average of 4 numbers is 28. If one number is 32, find the average of the remaining 3. MCQ with Answer and Explanation

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The average of 4 numbers is 28. If one number is 32, find the average of the remaining 3.

A. 26.67

B. 28

C. 26

D. 27

Answer: Option A

Solution (By JKSSB Mock Tests)

Sum=4×28=112. Remaining sum=112-32=80. Avg=80/3=26.67.

This question belongs to: Maths Average

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Question #1

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The average of 7 numbers is 48. If each number is increased by 7, what is the new average?

A. 48

B. 55

C. 41

D. 62

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Correct Answer: Option B

Explanation:
New average =48+7=55.

This question belongs to: Maths Average

Question #2

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The average of 7 numbers is 45. If each number is decreased by 3, what is the new average?

A. 42

B. 48

C. 39

D. 45

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Correct Answer: Option A

Explanation:
New average =45-3=42.

This question belongs to: Maths Average

Question #3

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Average of 100 numbers is 50. If 98 is replaced by 52, new average?

A. 48

B. 50

C. 49

D. 49.46

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Correct Answer: Option D

Explanation:
Change -46. Decrease 46/100=0.46. New 49.54 approx.

This question belongs to: Maths Average

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