The average of 5 numbers is 18. If 3 numbers average 15, average of remaining 2? MCQ with Answer and Explanation

Question

Share Report Error

The average of 5 numbers is 18. If 3 numbers average 15, average of remaining 2?

A. 20

B. 21

C. 25

D. 22.5

Answer: Option D

Solution (By JKSSB Mock Tests)

Sum5=90. Sum3=45. Remaining=45. Average=22.5.

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 even numbers between 1 and 31 is

A. 17

B. 18

C. 15

D. 16

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option D

Explanation:
2 to 30, 15 numbers. Average (2+30)/2=16.

This question belongs to: Maths Average

Question #2

Average of 20 numbers 45. If 5 numbers average 50 included, new average of 25?

A. 44

B. 47

C. 45.5

D. 46

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option D

Explanation:
Total20=900. Added=250. Total1150/25=46.

This question belongs to: Maths Average

Question #3

Average of 1375,2750 is

A. 2070

B. 2060

C. 2062.5

D. 2050

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option C

Explanation:
2062.5.

This question belongs to: Maths Average

Explore All Average MCQs