Average of 15 numbers 1210. If average of 9 is 1205, average of remaining 6? MCQ with Answer and Explanation

Question

Share Report Error

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

A. 1217.5

B. 1218

C. 1215

D. 1220

Answer: Option A

Solution (By JKSSB Mock Tests)

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

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 1125,1500,1875 is

A. 1510

B. 1490

C. 1495

D. 1500

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option D

Explanation:
4500/3=1500.

This question belongs to: Maths Average

Question #2

What is the average of all even numbers from 2 to 30?

A. 16.5

B. 15

C. 16

D. 15.5

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option C

Explanation:
Even numbers: 2 to 30 inclusive. Number of terms = (30-2)/2+1=15. Sum = n/2*(first+last) =15/2*(2+30)=15/2*32=240. Average=240/15=16.

This question belongs to: Maths Average

Question #3

Average of 9 numbers 2590. If average of 6 is 2585, average of remaining 3?

A. 2605

B. 2600

C. 2595

D. 2598

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option B

Explanation:
Sum9=23310. Sum6=15510. Remaining=7800. Average=2600.

This question belongs to: Maths Average

Explore All Average MCQs