Average of 30 numbers 55. If average of 20 is 50, average of remaining 10? MCQ with Answer and Explanation

Question Report Error

Average of 30 numbers 55. If average of 20 is 50, average of remaining 10?

A. 65

B. 70

C. 62

D. 60

Answer: Option A

Solution (By JKExamLibrary)

Sum30=1650. Sum20=1000. Remaining=650. Average=65.

This question belongs to: Maths Average

Discuss this Question (0)

No comments yet. Be the first to start the discussion!

Practice More Average Questions

Question #1 Report Error

Average of 8 numbers 850. If average of 5 is 845, average of remaining 3?

A. 858.33

B. 857

C. 855

D. 860

View Answer & Solution Discuss

Correct Answer: Option A

Explanation:
Sum8=6800. Sum5=4225. Remaining=2575. Average≈858.33.

This question belongs to: Maths Average

Question #2 Report Error

Average of 15 numbers 260. If average of 9 is 255, average of remaining 6?

A. 265

B. 268

C. 267.5

D. 270

View Answer & Solution Discuss

Correct Answer: Option C

Explanation:
Sum15=3900. Sum9=2295. Remaining=1605. Average=267.5.

This question belongs to: Maths Average

Question #3 Report Error

Average of 8 numbers 140. If average of 5 is 135, average of remaining 3?

A. 150

B. 145

C. 147

D. 148.33

View Answer & Solution Discuss

Correct Answer: Option D

Explanation:
Sum8=1120. Sum5=675. Remaining=445. Average≈148.33.

This question belongs to: Maths Average

Explore All Average MCQs