Average of 30 numbers 40. If 10 numbers average 50 removed, new average of 20? MCQ with Answer and Explanation

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Average of 30 numbers 40. If 10 numbers average 50 removed, new average of 20?

A. 35

B. 36

C. 32

D. 30

Answer: Option A

Solution (By JKSSB Mock Tests)

Total=1200. Removed=500. Remaining=700/20=35.

This question belongs to: Maths Average

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Practice More Average Questions

Question #1

The average of 12,18,24,30,36 is

A. 24

B. 23

C. 26

D. 25

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Correct Answer: Option A

Explanation:
Sum=120. Average=24.

This question belongs to: Maths Average

Question #2

The average salary of 10 employees is Rs 5000. If a new employee joins with salary Rs 7000, what is the new average?

A. 5150

B. 5181.82

C. 5200

D. 5220

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Correct Answer: Option B

Explanation:
Total =10×5000=50000. New total =57000. New average =57000/11=5181.82.

This question belongs to: Maths Average

Question #3

Average of 9 numbers 740. If average of 6 is 735, average of remaining 3?

A. 750

B. 745

C. 755

D. 748

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Correct Answer: Option A

Explanation:
Sum9=6660. Sum6=4410. Remaining=2250. Average=750.

This question belongs to: Maths Average

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