The average weight of 8 students is 42 kg. If a new student joins, the average becomes 44 kg. What is the weight of the new student? MCQ with Answer and Explanation

Question

The average weight of 8 students is 42 kg. If a new student joins, the average becomes 44 kg. What is the weight of the new student?

A. 56 kg

B. 60 kg

C. 58 kg

D. 62 kg

Answer: Option B

Solution (By JKSSB Mock Tests)

Sum of 8 =8×42=336. Sum of 9 =9×44=396. New student's weight =396-336=60.

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

The average of 5 numbers is 28. If one number is 34, find the average of the remaining 4.

A. 26

B. 27

C. 25.5

D. 26.5

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option D

Explanation:
Sum=5×28=140. Remaining sum=140-34=106. Avg=106/4=26.5.

This question belongs to: Maths Average

Question #2

Share Report

The average of 20,25,30,35,40 is

A. 32

B. 31

C. 28

D. 30

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option D

Explanation:
Sum=150. Average=30.

This question belongs to: Maths Average

Question #3

Share Report

The average of 7 numbers is 45. If each number is decreased by 3, what is the new average?

A. 45

B. 48

C. 42

D. 39

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option C

Explanation:
New average =45-3=42.

This question belongs to: Maths Average

Explore All Average MCQs