Average of 9 numbers 2490. If average of 6 is 2485, average of remaining 3? MCQ with Answer and Explanation

Question

Share Report Error

Average of 9 numbers 2490. If average of 6 is 2485, average of remaining 3?

A. 2498

B. 2495

C. 2500

D. 2505

Answer: Option C

Solution (By JKSSB Mock Tests)

Sum9=22410. Sum6=14910. Remaining=7500. Average=2500.

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

The average of 9 numbers is 25. If one number is 45, find the average of the remaining 8.

A. 24

B. 23

C. 22

D. 22.5

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option D

Explanation:
Sum=9×25=225. Remaining sum=225-45=180. Avg=180/8=22.5.

This question belongs to: Maths Average

Question #2

Average of 9 consecutive odd numbers is 27. What is the smallest?

A. 17

B. 21

C. 23

D. 19

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option D

Explanation:
Middle=27. Smallest=27 -8=19.

This question belongs to: Maths Average

Question #3

Average speed for two equal times at 30 and 50 km/h?

A. 38 km/h

B. 40 km/h

C. 45 km/h

D. 42 km/h

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option B

Explanation:
Arithmetic mean for equal time: (30+50)/2=40.

This question belongs to: Maths Average

Explore All Average MCQs