Average of 9 consecutive even numbers is 30. Smallest? MCQ with Answer and Explanation

Average of 9 consecutive even numbers is 30. Smallest?

A. 24

B. 20

C. 26

D. 22

Answer: Option D

Middle 5th=30. Smallest=30-8=22.

This question belongs to: Maths Average

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Question #1 Report Error

Average of 18 numbers 60. If 6 numbers average 70, average of remaining 12?

A. 58

B. 55

C. 50

D. 56

Correct Answer: Option B

Explanation:
Total=1080. 6=420. Remaining=660/12=55.

This question belongs to: Maths Average

Question #2 Report Error

Average of 8 numbers 1650. If average of 5 is 1645, average of remaining 3?

A. 1658.33

B. 1660

C. 1655

D. 1657

Correct Answer: Option A

Explanation:
Sum8=13200. Sum5=8225. Remaining=4975. Average≈1658.33.

This question belongs to: Maths Average

Question #3 Report Error

Average of 8 numbers 400. If average of 5 is 395, average of remaining 3?

A. 405

B. 410

C. 407

D. 408.33

Correct Answer: Option D

Explanation:
Sum8=3200. Sum5=1975. Remaining=1225. Average≈408.33.

This question belongs to: Maths Average