Average of 15 numbers 50. If average of 10 is 55, average of remaining 5? MCQ with Answer and Explanation

Question

Share Report Error

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

A. 42

B. 45

C. 40

D. 35

Answer: Option C

Solution (By JKSSB Mock Tests)

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

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

Average of 9 numbers 2340. If average of 6 is 2335, average of remaining 3?

A. 2348

B. 2345

C. 2355

D. 2350

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option D

Explanation:
Sum9=21060. Sum6=14010. Remaining=7050. Average=2350.

This question belongs to: Maths Average

Question #2

Average of 10 observations 25. Later one 35 replaced by 15, new average?

A. 23

B. 25

C. 24

D. 26

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option C

Explanation:
Change -20, decrease 2, new 23? Wait 25-2=23.

This question belongs to: Maths Average

Question #3

Average of 8 numbers 500. If average of 5 is 495, average of remaining 3?

A. 508.33

B. 510

C. 507

D. 505

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option A

Explanation:
Sum8=4000. Sum5=2475. Remaining=1525. Average≈508.33.

This question belongs to: Maths Average

Explore All Average MCQs