Average of odd numbers from 1 to 49 is MCQ with Answer and Explanation

Average of odd numbers from 1 to 49 is

A. 25

B. 25.5

C. 26

D. 24

Answer: Option A

25 odd numbers. Average = middle one =25.

This question belongs to: Maths Average

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Question #1 Report Error

Average of 8 observations is 40. If two observations 30 and 50 are included, new average?

A. 42

B. 40

C. 39

D. 41

Correct Answer: Option B

Explanation:
Sum8=320. New sum=320+80=400. Numbers10. Average=40.

This question belongs to: Maths Average

Question #2 Report Error

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

A. 26.67

B. 27

C. 26

D. 28

Correct Answer: Option A

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

This question belongs to: Maths Average

Question #3 Report Error

The average of 5 numbers is 29. If one number is 35, find the average of the remaining 4.

A. 26.5

B. 27

C. 28

D. 27.5

Correct Answer: Option D

Explanation:
Sum=5×29=145. Remaining sum=145-35=110. Avg=110/4=27.5.

This question belongs to: Maths Average