Average of 20 numbers 180. If average of 12 is 175, average of remaining 8? MCQ with Answer and Explanation

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Average of 20 numbers 180. If average of 12 is 175, average of remaining 8?

A. 190

B. 187.5

C. 188

D. 185

Answer: Option B

Solution (By JKSSB Mock Tests)

Sum20=3600. Sum12=2100. Remaining=1500. Average=187.5.

This question belongs to: Maths Average

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Practice More Average Questions

Question #1

The average of 5 numbers is 24. If each number is divided by 3, what is the new average?

A. 9

B. 8

C. 6

D. 7

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Correct Answer: Option B

Explanation:
New average =24/3=8.

This question belongs to: Maths Average

Question #2

Average of five consecutive odd numbers is 25. What is the largest number?

A. 29

B. 27

C. 31

D. 33

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Correct Answer: Option A

Explanation:
Let numbers be x-4, x-2, x, x+2, x+4. Average = x = 25. Largest = 25 + 4 = 29.

This question belongs to: Maths Average

Question #3

Average of 1,3,5,...,19 (odd numbers).

A. 11

B. 9

C. 12

D. 10

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Correct Answer: Option D

Explanation:
10 terms, average 10.

This question belongs to: Maths Average

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