The average of 9 observations is 40. If each observation is decreased by 4, what is the new average? MCQ with Answer and Explanation

Question

Share Report Error

The average of 9 observations is 40. If each observation is decreased by 4, what is the new average?

A. 40

B. 36

C. 44

D. 32

Answer: Option B

Solution (By JKSSB Mock Tests)

New average =40-4=36.

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

Average of 8 numbers 2650. If average of 5 is 2645, average of remaining 3?

A. 2657

B. 2658.33

C. 2655

D. 2660

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option B

Explanation:
Sum8=21200. Sum5=13225. Remaining=7975. Average≈2658.33.

This question belongs to: Maths Average

Question #2

Share Report

Average of 12, 18, 24 is

A. 22

B. 16

C. 18

D. 20

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option C

Explanation:
Sum=54. Average=18.

This question belongs to: Maths Average

Question #3

Share Report

Average of 15 numbers 1210. If average of 9 is 1205, average of remaining 6?

A. 1220

B. 1218

C. 1217.5

D. 1215

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option C

Explanation:
Sum15=18150. Sum9=10845. Remaining=7305. Average=1217.5.

This question belongs to: Maths Average

Explore All Average MCQs