Average of 6 numbers is 8.5. If two numbers 12 and 15 are added, what is the new average? MCQ with Answer and Explanation

Question

Share Report Error

Average of 6 numbers is 8.5. If two numbers 12 and 15 are added, what is the new average?

A. 9.75

B. 9.5

C. 9

D. 10

Answer: Option A

Solution (By JKSSB Mock Tests)

Sum of 6=51. New sum=51+12+15=78. Numbers=8. Average=78/8=9.75.

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 of 5 numbers is 31. If each number is multiplied by 2 and then 4 is added, what is the new average?

A. 62

B. 64

C. 68

D. 66

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option D

Explanation:
New average = (31×2)+4 =62+4=66.

This question belongs to: Maths Average

Question #2

Share Report

Average of 15 numbers 50. If average of 10 is 55, average of remaining 5?

A. 35

B. 42

C. 45

D. 40

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option D

Explanation:
Sum15=750. Sum10=550. Remaining=200. Average=40.

This question belongs to: Maths Average

Question #3

Share Report

Average of 12 numbers 2020. If average of 8 is 2015, average of remaining 4?

A. 2030

B. 2028

C. 2032

D. 2025

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option A

Explanation:
Sum12=24240. Sum8=16120. Remaining=8120. Average=2030.

This question belongs to: Maths Average

Explore All Average MCQs