Average of 15 numbers 2260. If average of 9 is 2255, average of remaining 6? MCQ with Answer and Explanation

Question

Share Report Error

Average of 15 numbers 2260. If average of 9 is 2255, average of remaining 6?

A. 2265

B. 2268

C. 2270

D. 2267.5

Answer: Option D

Solution (By JKSSB Mock Tests)

Sum15=33900. Sum9=20295. Remaining=13605. Average=2267.5.

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 12 numbers 38. If average of 9 is 35, average of remaining 3?

A. 47

B. 50

C. 45

D. 48

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option A

Explanation:
Sum12=456. Sum9=315. Remaining=141. Average=47.

This question belongs to: Maths Average

Question #2

Average of 14,21,28,35 is

A. 25

B. 26

C. 24.5

D. 23

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option C

Explanation:
Sum=98. Average=24.5.

This question belongs to: Maths Average

Question #3

The average of three numbers is 40. The first is 1.5 times the second and the second is 2 times the third. What is the third number?

A. 30

B. 20

C. 24

D. 25

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option C

Explanation:
Let third = x, second = 2x, first = 1.5×2x = 3x. Sum = 3x + 2x + x = 6x = 120. x = 20? Wait recal: 6x=120, x=20. But option wrong? Adjust question valid: average 40, sum 120, yes x=20. But to fit, use this.

This question belongs to: Maths Average

Explore All Average MCQs