Average of 15 numbers 1710. If average of 9 is 1705, average of remaining 6? MCQ with Answer and Explanation

Question

Share Report Error

Average of 15 numbers 1710. If average of 9 is 1705, average of remaining 6?

A. 1715

B. 1720

C. 1717.5

D. 1718

Answer: Option C

Solution (By JKExamLibrary)

Sum15=25650. Sum9=15345. Remaining=10305. Average=1717.5.

This question belongs to: Maths Average

Request complete Subject PDF

Discuss this Question (0)

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

Practice More Average Questions

Question #1

Share Report

The average weight of 10 persons is 70 kg. If a person weighing 80 kg leaves, what is the new average?

A. 69

B. 69.5

C. 68.5

D. 68.89 kg

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option D

Explanation:
Sum=10×70=700. New sum=700-80=620. New avg=620/9=68.89.

This question belongs to: Maths Average

Question #2

Share Report

The average of 5 numbers is 24. If each number is divided by 3, what is the new average?

A. 6

B. 8

C. 9

D. 7

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option B

Explanation:
New average =24/3=8.

This question belongs to: Maths Average

Question #3

Share Report

Average of 10 numbers 1230. If average of 6 is 1225, average of remaining 4?

A. 1235

B. 1237.5

C. 1240

D. 1236

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option B

Explanation:
Sum10=12300. Sum6=7350. Remaining=4950. Average=1237.5.

This question belongs to: Maths Average

Explore All Average MCQs