Average of 12 numbers 870. If average of 8 is 865, average of remaining 4? MCQ with Answer and Explanation

Question

Share Report Error

Average of 12 numbers 870. If average of 8 is 865, average of remaining 4?

A. 882

B. 880

C. 875

D. 878

Answer: Option B

Solution (By JKSSB Mock Tests)

Sum12=10440. Sum8=6920. Remaining=3520. Average=880.

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 12 numbers 620. If average of 8 is 615, average of remaining 4?

A. 625

B. 630

C. 628

D. 632

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option B

Explanation:
Sum12=7440. Sum8=4920. Remaining=2520. Average=630.

This question belongs to: Maths Average

Question #2

The average of 8 numbers is 27. If average of 5 is 25, average of remaining 3?

A. 31

B. 29

C. 28

D. 30

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option D

Explanation:
Sum8=216. Sum5=125. Remaining=91. Average≈30.33 approx 30.

This question belongs to: Maths Average

Question #3

Average of 8 numbers 2150. If average of 5 is 2145, average of remaining 3?

A. 2160

B. 2158.33

C. 2155

D. 2157

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option B

Explanation:
Sum8=17200. Sum5=10725. Remaining=6475. Average≈2158.33.

This question belongs to: Maths Average

Explore All Average MCQs