Average of 1 to 10 except 5 is MCQ with Answer and Explanation

Average of 1 to 10 except 5 is

A. 4.5

B. 5

C. 5.5

D. 6

Answer: Option C

Sum1-10=55. Minus 5=50. /9≈5.56.

This question belongs to: Maths Average

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Question #1 Report Error

Average of 20 numbers 90. If average of 12 is 85, average of remaining 8?

A. 100

B. 96

C. 95

D. 97.5

Correct Answer: Option D

Explanation:
Sum20=1800. Sum12=1020. Remaining=780. Average=97.5.

This question belongs to: Maths Average

Question #2 Report Error

The average age of 4 boys is 16 years. If their ages are in ratio 1:2:3:4, what is the age of the oldest boy?

A. 28

B. 25.6 years

C. 24

D. 26

Correct Answer: Option B

Explanation:
Sum =4×16=64. Ratio sum=10. Oldest = (4/10)×64 =25.6.

This question belongs to: Maths Average

Question #3 Report Error

Average of odd numbers from 1 to 49 is

A. 25.5

B. 25

C. 24

D. 26

Correct Answer: Option B

Explanation:
25 odd numbers. Average = middle one =25.

This question belongs to: Maths Average