Average of 9 numbers 790. If average of 6 is 785, average of remaining 3? MCQ with Answer and Explanation

Question

Share Report Error

Average of 9 numbers 790. If average of 6 is 785, average of remaining 3?

A. 795

B. 798

C. 800

D. 805

Answer: Option C

Solution (By JKSSB Mock Tests)

Sum9=7110. Sum6=4710. Remaining=2400. Average=800.

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 14,21,28,35 is

A. 26

B. 24.5

C. 25

D. 23

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option B

Explanation:
Sum=98. Average=24.5.

This question belongs to: Maths Average

Question #2

Average of 1^3 +2^3 +...+5^3 is

A. 225

B. 45

C. 55

D. 50

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option B

Explanation:
Sum cubes =(5*6/2)^2=225. Average=225/5=45.

This question belongs to: Maths Average

Question #3

The average of 6 consecutive even numbers is 25. What is the largest number?

A. 28

B. 30

C. 34

D. 32

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option B

Explanation:
Numbers are 20,22,24,26,28,30. Their average is 25. Largest number = 30.

This question belongs to: Maths Average

Explore All Average MCQs