Average of 15,25,35 is MCQ with Answer and Explanation

Average of 15,25,35 is

A. 20

B. 25

C. 28

D. 30

Answer: Option B

Sum=75. Average=25.

This question belongs to: Maths Average

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Question #1 Report Error

Average of 9 numbers 1840. If average of 6 is 1835, average of remaining 3?

A. 1848

B. 1845

C. 1850

D. 1855

Correct Answer: Option C

Explanation:
Sum9=16560. Sum6=11010. Remaining=5550. Average=1850.

This question belongs to: Maths Average

Question #2 Report Error

Average of 8 numbers 22. If 4 numbers average 20, other 4 average?

A. 26

B. 24

C. 23

D. 22

Correct Answer: Option B

Explanation:
Sum8=176. Sum4=80. Other=96. Average=24.

This question belongs to: Maths Average

Question #3 Report Error

Average of 9 numbers 45. If average of first 5 is 42, average of last 5 is 48, 5th number?

A. 42

B. 46

C. 48

D. 45

Correct Answer: Option D

Explanation:
Sum9=405. Sum1-5=210. Sum5-9=240. 5th=210+240-405=45.

This question belongs to: Maths Average