Average age of 8 persons is 35. If two persons aged 40 and 30 leave, new average? MCQ with Answer and Explanation

Average age of 8 persons is 35. If two persons aged 40 and 30 leave, new average?

A. 37

B. 36

C. 34

D. 35

Answer: Option D

Total=280. Leave 70. Remaining 210 for 6. 35.

This question belongs to: Maths Average

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Question #1 Report Error

The average of 9 numbers is 28. If one number is 50, find the average of the remaining 8.

A. 25.25

B. 26

C. 24.75

D. 25.5

Correct Answer: Option A

Explanation:
Sum=9×28=252. Remaining sum=252-50=202. Avg=202/8=25.25.

This question belongs to: Maths Average

Question #2 Report Error

Average of 10 consecutive numbers is 55.5. Largest number?

A. 60

B. 61

C. 59

D. 62

Correct Answer: Option A

Explanation:
Largest =55.5 +4.5=60.

This question belongs to: Maths Average

Question #3 Report Error

Average of 18,27,36,45 is

A. 33

B. 31.5

C. 32

D. 30

Correct Answer: Option B

Explanation:
Sum=126. Average=31.5.

This question belongs to: Maths Average