Average of 21,35,49 is MCQ with Answer and Explanation

Average of 21,35,49 is

A. 35

B. 32

C. 30

D. 40

Answer: Option A

Sum=105. Average=35.

This question belongs to: Maths Average

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Question #1 Report Error

Average of 15 numbers 2610. If average of 9 is 2605, average of remaining 6?

A. 2620

B. 2615

C. 2618

D. 2617.5

Correct Answer: Option D

Explanation:
Sum15=39150. Sum9=23445. Remaining=15705. Average=2617.5.

This question belongs to: Maths Average

Question #2 Report Error

Average of 9 numbers is 28. If average of first 5 is 25, average of last 5 is 31, 5th number?

A. 26

B. 28

C. 29

D. 27

Correct Answer: Option B

Explanation:
Sum9=252. Sum1-5=125. Sum5-9=155. 5th=125+155-252=28.

This question belongs to: Maths Average

Question #3 Report Error

Average of 9 numbers 1240. If average of 6 is 1235, average of remaining 3?

A. 1248

B. 1255

C. 1245

D. 1250

Correct Answer: Option D

Explanation:
Sum9=11160. Sum6=7410. Remaining=3750. Average=1250.

This question belongs to: Maths Average