Average of 12 numbers 1970. If average of 8 is 1965, average of remaining 4? MCQ with Answer and Explanation

Question

Share Report Error

Average of 12 numbers 1970. If average of 8 is 1965, average of remaining 4?

A. 1980

B. 1975

C. 1978

D. 1982

Answer: Option A

Solution (By JKSSB Mock Tests)

Sum12=23640. Sum8=15720. Remaining=7920. Average=1980.

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 15 numbers 610. If average of 9 is 605, average of remaining 6?

A. 620

B. 618

C. 617.5

D. 615

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option C

Explanation:
Sum15=9150. Sum9=5445. Remaining=3705. Average=617.5.

This question belongs to: Maths Average

Question #2

The average of 6 numbers is 15. If each number is increased by 7, what is the new average?

A. 15

B. 8

C. 22

D. 29

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option C

Explanation:
New average =15+7=22.

This question belongs to: Maths Average

Question #3

Average of 1215,1620,2025 is

A. 1615

B. 1620

C. 1610

D. 1630

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option B

Explanation:
4860/3=1620.

This question belongs to: Maths Average

Explore All Average MCQs