Average of 30, 40, 50, 60, 70 is MCQ with Answer and Explanation

Question

Share Report Error

Average of 30, 40, 50, 60, 70 is

A. 52

B. 48

C. 55

D. 50

Answer: Option D

Solution (By JKSSB Mock Tests)

Sum=250. Average=50.

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

Share Report

Average of 30 numbers 42. If average of 20 is 40, average of remaining 10?

A. 46

B. 44

C. 45

D. 48

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option A

Explanation:
Total=1260. Sum20=800. Remaining=460. Average=46.

This question belongs to: Maths Average

Question #2

Share Report

Average of 8 numbers 1300. If average of 5 is 1295, average of remaining 3?

A. 1307

B. 1308.33

C. 1305

D. 1310

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option B

Explanation:
Sum8=10400. Sum5=6475. Remaining=3925. Average≈1308.33.

This question belongs to: Maths Average

Question #3

Share Report

The average of 10 numbers is 14. If each number is decreased by 3, what is the new average?

A. 8

B. 11

C. 17

D. 14

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option B

Explanation:
New average =14-3=11.

This question belongs to: Maths Average

Explore All Average MCQs